schemas: Define default app grid arrangement
Specify the default app grid arrangement. This makes the app grid more useful since the interesting apps are prioritised. It also communicates that the app grid can be customised.
Fixes #3122 (closed)
Specify the default app grid arrangement. This makes the app grid more useful since the interesting apps are prioritised. It also communicates that the app grid can be customised.
Fixes #3122 (closed)