Added new Web Authentication library with Azure AD page object

[jamesmcroft]

Resolves

Added a new Web Authentication library to provide page object support for common web authentication providers.

Includes an initial page object for authenticating with Azure Active Directory.

This change also includes new TryWaitUntil extension methods to allow a wait to be attempted where the timeout exception is handled.

PR checklist

• Have Legerity sample tests been added or updated, run locally, and all pass
• Have added or updated support for platform specific element wrappers been reflected in the Page Object Generator
• Have code styling rules been run on all new source file changes
• Have relevant articles in the docs been added or updated for all new source file changes
• Have major breaking changes been made and are documented

Other information