feat: add feedback & terms-of-service & privacy-policy.

feedback.md

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+<p align="right">
+  <a href="./feedback.zh.md">中文</a>
+</p>
+<!--rehype:style=float: right; bottom: -36px; position: relative;-->
+
+Feedback & Support
+===
+
+RegexMate is a regular expression application available for macOS and iOS. It features a clean user interface and powerful functionalities, enabling users to easily create, test, and utilize regular expressions.
+
+Your feedback and support are invaluable! If you encounter any issues, have questions, or want to suggest new features, please don't hesitate to reach out. Your input helps improve this tool and ensures it provides the best possible experience.  
+
+You can contact me through the app or by emailing **kennyiseeyou@gmail.com**. I am committed to assisting you and ensuring a smooth and enjoyable experience. Thank you for choosing this tool!  
+
+### Contact Information  
+
+If you need support or encounter any issues while using the application, feel free to reach out via the following channels:  
+
+- [**Email Support**: kennyiseeyou@gmail.com](mailto:kennyiseeyou@gmail.com)  
+- [**Social Media**: Twitter/x @jaywcjlove](https://twitter.com/jaywcjlove)  
+- [**GitHub Issue**](https://github.com/jaywcjlove/regex-mate/issues/new/choose)  
+
+I will respond to your messages as quickly as possible. Thank you for your support!

feedback.zh.md

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+<p align="right">
+  <a href="./feedback.md">English</a>
+</p>
+<!--rehype:style=float: right; bottom: -36px; position: relative;-->
+
+反馈与支持
+===
+
+一款正则表达式应用程序，支持 macOS 和 iOS 平台。它拥有简洁的用户界面和强大的功能，能够帮助用户轻松地创建、测试和使用正则表达式。
+
+你的反馈和支持非常重要！如果你遇到任何问题、有疑问，或想提出新功能建议，请随时联系我们。你的意见将帮助我们改进这个工具，确保为你提供最佳使用体验。  
+
+你可以通过应用内或发送邮件至 **kennyiseeyou@gmail.com** 联系我们。我致力于为你提供支持，确保你拥有流畅、愉快的使用体验。感谢你选择这个工具！  
+
+### 联系方式  
+
+如果你在使用过程中需要支持或遇到问题，可以通过以下渠道联系我们：  
+
+- [**邮件支持**: kennyiseeyou@gmail.com](mailto:kennyiseeyou@gmail.com)  
+- [**社交媒体**: Twitter/x @jaywcjlove](https://twitter.com/jaywcjlove)  
+- [**GitHub 问题反馈**](https://github.com/jaywcjlove/regex-mate/issues/new/choose)  
+
+我会尽快回复你的消息。感谢你对本工具的支持！

privacy-policy.md

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+<p align="right">
+  <a href="./privacy-policy.zh.md">中文</a>
+</p>
+<!--rehype:style=float: right; bottom: -36px; position: relative;-->
+
+### Privacy Policy  
+===  
+
+Thank you for using RegexMate! We value your privacy and are committed to protecting any personal information you provide while using our app. This privacy policy outlines how we collect, use, disclose, and safeguard your information.  
+
+## Information Collection  
+
+RegexMate is designed to prioritize user privacy. It does not collect, store, or process any personal data without your explicit consent. All data used by RegexMate remains local to your device unless explicitly shared by the user.  
+
+### a. **Local Data Storage**  
+
+- RegexMate stores your projects, test cases, and app settings locally on your device.  
+- We do not access, transmit, or store this data on any external servers.  
+
+### b. **Log Data**  
+
+RegexMate does not collect log data or track your usage patterns. All operations are performed locally on your device without any data being sent to external servers.  
+
+## Use of Data  
+
+RegexMate does not collect or analyze user information. Therefore, we do not use, store, or share any personal data in any capacity.  
+
+## Third-Party Services  
+
+RegexMate does not integrate with any third-party services or analytics platforms. No user data is shared, sold, or transmitted to external entities.  
+
+## Data Security  
+
+We prioritize the security of your data. All content, settings, and files are stored locally and protected by your device's security measures. RegexMate does not transmit any information externally, ensuring your data remains private and secure.  
+
+## User Control  
+
+- You retain full control over your data. RegexMate does not upload or back up data to the cloud unless explicitly configured by you.  
+- If you uninstall RegexMate, all associated data will be permanently deleted from your device.  
+
+## Changes to Privacy Policy  
+
+We may update this privacy policy from time to time. Significant changes will be communicated through the app or our official website. We encourage you to review this page periodically for the latest privacy updates.  
+
+## Contact Us  
+
+If you have any questions about this privacy policy or require assistance, feel free to contact us at: [kennyiseeyou@gmail.com](mailto:kennyiseeyou@gmail.com).  
+
+This policy is effective as of December 16, 2024.

privacy-policy.zh.md

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+<p align="right">
+  <a href="./privacy-policy.md">English</a>
+</p>
+<!--rehype:style=float: right; bottom: -36px; position: relative;-->
+
+### 隐私政策  
+===  
+
+感谢您使用 RegexMate！我们重视您的隐私，并致力于保护您在使用本应用时提供的任何个人信息。本隐私政策将说明我们如何收集、使用、披露和保护您的信息。  
+
+## 信息收集  
+
+RegexMate 的设计以用户隐私为核心。不经您明确同意，应用不会收集、存储或处理任何个人数据。所有使用的数据均存储在您的设备本地，除非您主动共享。  
+
+### a. **本地数据存储**  
+
+- RegexMate 将您的项目、测试用例和应用设置存储在设备本地。  
+- 我们不会访问、传输或存储这些数据至任何外部服务器。  
+
+### b. **日志数据**  
+
+RegexMate 不会收集日志数据或跟踪您的使用行为。所有操作均在设备本地完成，任何数据均不会传输至外部服务器。  
+
+## 数据使用  
+
+RegexMate 不会收集或分析用户信息。因此，我们不会以任何形式使用、存储或共享您的个人数据。  
+
+## 第三方服务  
+
+RegexMate 不集成任何第三方服务或分析平台。您的数据不会被共享、出售或传输至外部实体。  
+
+## 数据安全  
+
+我们高度重视您的数据安全。所有内容、设置和文件均存储在设备本地，并受到设备安全措施的保护。RegexMate 不会外部传输任何信息，确保您的数据始终私密且安全。  
+
+## 用户控制  
+
+- 您完全控制您的数据。RegexMate 不会上传或备份数据至云端，除非由您明确配置。  
+- 如果您卸载 RegexMate，所有相关数据将从您的设备中永久删除。  
+
+## 隐私政策的变更  
+
+我们可能会不时更新本隐私政策。如有重大变更，我们将通过应用或官方网站通知您。我们建议您定期查看本页面，了解最新的隐私政策更新。  
+
+## 联系我们  
+
+如果您对本隐私政策有任何疑问或需要帮助，请通过以下方式联系我们：[kennyiseeyou@gmail.com](mailto:kennyiseeyou@gmail.com)。  
+
+本政策自 2024 年 12 月 16 日起生效。  

terms-of-service.md

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+<p align="right">
+  <a href="./terms-of-service.zh.md">中文</a>
+</p>
+<!--rehype:style=float: right; bottom: -36px; position: relative;-->
+
+Terms of Service  
+===  
+
+Welcome to RegexMate! By using our application, you agree to the following Terms of Service ("Terms"). Please read these Terms carefully before using RegexMate. These Terms apply to all RegexMate users.  
+
+## Acceptance of Terms  
+
+By downloading, accessing, or using RegexMate ("the App"), you agree to comply with and be bound by these Terms. If you do not agree with these Terms, you may not use the App.  
+
+## Intellectual Property  
+
+The App and its content, including but not limited to all icons, logos, designs, and other intellectual property, are the exclusive property of RegexMate and its development team. You are granted a limited, non-exclusive, non-transferable license for personal, non-commercial use of the App.  
+
+## User Responsibilities  
+
+You are solely responsible for your use of the App and must ensure that your usage complies with all applicable laws and regulations. You are responsible for maintaining the confidentiality of your device’s data and preventing unauthorized use.  
+
+## Privacy  
+
+We highly value your privacy. For details on how we collect, use, and protect your personal information, please refer to our [Privacy Policy](./privacy-policy.en.md).  
+
+## App Changes  
+
+We reserve the right to modify, update, or discontinue the App at any time without prior notice. We shall not be liable to you or any third party for any changes, suspension, or termination of the App.  
+
+## Donation Support  
+
+RegexMate is a free application, and its core features are entirely free to use. If you find RegexMate helpful, you can support our development by making a donation—"buy us a coffee"—to help us maintain and improve the App. Donations are optional and do not affect the availability of primary features; however, some additional features may be accessible only to donors.  
+
+## Limitation of Liability  
+
+To the maximum extent permitted by law, RegexMate and its developers shall not be held liable for any damages arising from or related to your use of the App. This includes, but is not limited to, loss of data, system failures, or business interruptions.  
+
+## Governing Law  
+
+These Terms are governed by and interpreted under the laws of your jurisdiction, without regard to conflict of law principles.  
+
+## Changes to Terms  
+
+We reserve the right to modify these Terms at any time. If we make significant changes, we will notify you through the App or via our official website. By continuing to use the App after the changes take effect, you accept the updated Terms.  
+
+## Contact Us  
+
+If you have any questions about our Privacy Policy or Terms of Service, or if you would like to provide feedback or suggestions, please contact us via the "About Us" page within the App. We are committed to protecting your personal information and will not share your data with third parties without your consent.  
+
+You can also reach us at **kennyiseeyou@gmail.com**, and we will respond to your inquiries as soon as possible.  
+
+These Terms of Service were last updated on December 16, 2024.  

terms-of-service.zh.md

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+<p align="right">
+  <a href="./terms-of-service.md">English</a>
+</p>
+<!--rehype:style=float: right; bottom: -36px; position: relative;-->
+
+服务条款  
+===  
+
+欢迎使用 RegexMate！使用我们的应用程序即表示您同意以下服务条款（“条款”）。在使用 RegexMate 之前，请仔细阅读这些条款。此条款适用于所有 RegexMate 用户。  
+
+## 接受条款  
+
+通过下载、访问或使用 RegexMate（“本应用”），您同意遵守并受这些条款的约束。如果您不同意这些条款，则不得使用本应用。  
+
+## 知识产权  
+
+本应用及其内容，包括但不限于所有图标、标志、设计和其他知识产权，均为 RegexMate 及其开发团队的独有财产。您仅被授予个人、非商业用途的有限、非排他性、不可转让的许可，以使用本应用。  
+
+## 用户责任  
+
+您对使用本应用的行为负全部责任，需确保您的使用符合所有适用的法律法规。您有责任维护设备上数据的机密性，并防止未经授权的使用。  
+
+## 隐私  
+
+我们非常重视您的隐私。有关我们如何收集、使用和保护您的个人信息的详细信息，请参阅我们的[隐私政策](./privacy-policy.zh.md)。  
+
+## 应用变更  
+
+我们保留在任何时候修改、更新或停止本应用的权利，恕不另行通知。对于应用的任何变更、暂停或中止，我们不对您或任何第三方承担责任。  
+
+## 捐赠支持  
+
+RegexMate 是一款免费的应用程序，核心功能完全免费。如果您觉得 RegexMate 对您有所帮助，可以通过捐赠支持我们的开发工作，为我们“买杯咖啡”，以便我们更好地维护和优化这款应用。需要注意的是，捐赠并非强制，不会影响主要功能的使用，但部分附加功能可能仅对捐赠用户开放。
+
+## 责任限制  
+
+在法律允许的最大范围内，RegexMate 及其开发者不对因您使用本应用所引起或与之相关的任何损害承担责任。这包括但不限于因数据丢失、系统故障或业务中断而造成的损失。  
+
+## 法律适用  
+
+本条款将受您所在司法管辖区的法律管辖，并依据其解释，而不考虑法律冲突原则。  
+
+## 条款的变更  
+
+我们保留随时修改这些条款的权利。如果我们对条款进行重大更改，我们将在应用内或通过我们的官方网站通知您。更改生效后，您继续使用本应用即表示您接受新的条款。  
+
+## 联系我们  
+
+如您对我们的隐私政策或服务条款有任何疑问，或希望提出意见和建议，请通过应用内的「关于我们」页面联系我们。我们承诺保护您的个人信息安全，未经您的同意，我们不会向第三方披露您的用户数据。  
+
+您也可以通过 **kennyiseeyou@gmail.com** 联系我们，我们将尽快回复您的问题。  
+
+本服务条款最后更新于 2024 年 12 月 16 日。