Add tips

README.md

@@ -1,7 +1,18 @@
-Xcode Tips
-===
-
+<div align="center">
+  <br />
+  <br />
+  <img src="https://github.com/user-attachments/assets/c77fcbc2-58d5-4538-bc12-cc148343a554" alt="Xcode Tips" width="160" height="160">
+  <h3>Xcode Tips</h3>
+  <br />
+  <br />
+  <br />
+  <!--rehype:style=border: 0;-->
+</div>
 
 快捷键 <kbd>⌘</kbd> + <kbd>J</kbd> 配合剪头键 <kbd>◀</kbd><kbd>▲</kbd><kbd>▼</kbd><kbd>▶</kbd> 切换编辑窗口
 
-https://github.com/user-attachments/assets/0d808e2e-84c7-46ca-a220-440fa9f34118
+https://github.com/user-attachments/assets/0d808e2e-84c7-46ca-a220-440fa9f34118
+
+将鼠标悬停在小地图上时按住 <kbd>⌘</kbd> 会显示所有方法变量名的索引，您可以快速导航到它们
+
+https://github.com/user-attachments/assets/a96a54ac-ec6a-4f22-b2b2-50a6a1c38b76