Changelog:
- Fix: Download sometimes didn't start when multiple files were sent
- Fix: Also show multiple download notifications for each download (grouped)
- Fix: Notification got instantly hidden on older android versions
- Fix: Show correct file name inside notification on android versions
- New: Auto dismiss notifications when clicking on them
- New: Added "open" button to download successful snackbar
- New: Allow scanning downloaded files via media scanner
- New: Open text send dialog also on short click, when a text was delivered as share intent
- New: Automatically insert shared text to text send dialog
- New: Show exactly which type of content was selected for sharing
- New: Added About Activity (accessible via long click on launcher icon)
- Internal: Added some more German translations
- Internal: Added some safety guards to avoid crashes
- Internal: Some code cleanup
- Internal: Library updates