BACKUPS HAS NEW VARIABLE: making new backups incompatible with old versions of OABX
SCHEDULES REVAMPED: schedules will be deleted on update and old exports aren't usable

UI

Add: Theming engine

Add: Transition animations

Add: Elevation/shadows to UI (viewable in light theme)

Add: PrimaryDark color to system's navigation bar

Update: Revamp UI (Material design 3 & new icons set)

Update: Replace the snackbar with a simple text on top of activity and appsheet

Fix: Crashing on changing theme