Add Custom Dashbords to DevHome

[ahdbk]

Suggested new feature or improvement

This feature will allow users to add multipule dashbord in DevHome.
With this feature, user will personalize his experience and regroup widget with areas or projects

Scenario

As a User I want to add my custom dashbord to Devhome

Additional details

[krschau]

Duplicate of #601

[microsoft-github-policy-service]

We've identified this as a duplicate of another one that already exists. This specific instance is being closed in favor of tracking the concern over on the the linked issue. Please add your 👍 to the other issue to raise its priority. Thanks for your report!