Modern Rotation Control

- Added an "About" section with a list of open-source licenses.
- Added descriptions and icons to the rotation mode and button selection.
- Added an on/off button to quickly start or stop the service from the notification or tile.
- Added the ability to have different buttons on the notification and tile.
- General settings have been reorganized into categories.
- Default values were not properly applied.
- The notification permission was not properly requested.