Features:
* Show date in history list (73e15e2)
* Show alert before deleting set in routine/workout
* Improve German translations (bf5e19e)

Bug fixes:
* Fix bug where ExercisePicker is always cleared (344d49f)

Code cleanup:
* Rename and move files
  * Rename WorkoutsScreen to WorkoutHistory (075aaec)
  * Rename PickExerciseScreen to ExercisePicker (f099ff9)
  * Rename ExercisesScreen to ExerciseList (ebe209d)
  * Rename RoutinesScreen to RoutineList (4b93ccc)
  * Rename CreateRoutineScreen to RoutineEditor (1590457)
  * Rename CreateWorkoutScreen to WorkoutEditor (531c7fd)
  * Move ExercisePicker to exercises.picker (d570958)
* Decouple generic composable components
  * AppBarTextField (e4d00ed)
  * SetGroupCard (645af30, 166c0fc, 7845a98)
  * DataTable for SetGroupCard (c031198, etc.)
* Remove references to deprecated code (41ed6e9, 23f55ae)
* Add NumFormatUtil again (84ad68e)

Misc:
* Upgrade compose to v1.0.0-beta01 (23f55ae)
  * Add temporary workaround for koin (ab304a3)
* Upgrade other dependencies (0e440c0)
