Badge for app icon and more

[andydotxyz]

Checklist

• I have searched the issue tracker for open issues that relate to the same feature, before opening a new one.
• This issue only relates to a single feature. I will open new issues for any other features.

Is your feature request related to a problem?

Icon badges to indicate "count" or "status" of an app.

Could extrapolate to use on widgets as well...

Is it possible to construct a solution with the existing API?

no

Describe the solution you'd like to see.

System integration to show things like message count / alert on app icon (and other widgets if we can?)