Sample App - Redirect links to Microsoft Docs

[avknaidu]

Issue: #1740 #2387

PR Type

What kind of change does this PR introduce?

Bugfix

What is the current behavior?

Links do not open.

What is the new behavior?

Links redirect to docs.microsoft.com

PR Checklist

Please check if your PR fulfills the following requirements:

• Tested code with current supported SDKs
• Pull Request has been submitted to the documentation repository instructions. Link:
• Sample in sample app has been added / updated (for bug fixes / features)
  • Icon has been created (if new sample) following the Thumbnail Style Guide and templates
• Tests for the changes have been added (for bug fixes / features) (if applicable)
• Header has been added to all new source files (run build/UpdateHeaders.bat)
• Contains NO breaking changes

Other information

[michael-hawker]

Looks good, not sure if we should redirect to local specific in future, but don't think we do that for other links now, so this is a good initial fix, thanks!

[windowstoolkitbot]

This PR is linked to unclosed issues. Please check if one of these issues should be closed: #1740