[Accessibility][Keyboard Navigation - Homepage]: Multiple controls on homepage including ‘Examples’ section is not accessible via Keyboard.

[ShellySoni]

User Experience:
For keyboard users it is difficult to complete the task is if any control is not accessible via keyboard.

Test Environment:
Environment: Chromium Edge (Anaheim) + Narrator
Build Version: 2004 (OS Build 19564.1005)​​
Microsoft Edge Version: 82.0.425.0 (Official build) canary (64-bit)​
Test URL: http://localhost:3000/home

Repro Steps:

1. Open URL: http://localhost:3000/home
2. Navigate on homepage with tab key and observe the issue.

Actual Result:
Multiple controls on homepage i.e. ‘New’, ‘Empty Bot-1’ buttons, Video tutorial links and ‘Examples’ section is not accessible via Keyboard.

Expected Result:
Every interactive control on homepage should be accessible via Keyboard.

MAS Reference:
https://microsoft.sharepoint.com/:w:/r/teams/msenable/_layouts/15/WopiFrame.aspx?sourcedoc={8492c4eb-c179-40ae-8777-cd044ed725a2}

Attachment:
MAS2.1.1_Bot Framework_Homepage.zip