Fix status bar for API level 22

See merge request !63

* Fix status bar for API level 22
* Use ?android:colorBackground instead of white for light theme status bar
* Create base theme for API-dependent modifications

Implement Onboarding UI

See merge request !59

Resolve "Exception logging broken"

Closes #84

See merge request !58

in onboarding.

Add project level dictionary and fix a few typos

See merge request !61

instead of parent

Upgrade ch.qos.logback dependency

Closes #81

See merge request !60

Also target latest Android version and apply necessary fixes

Use existence of DB folder to signal if the mailbox is set up or not

See merge request !52

The TorPlugin publishes a StateFlow with its own state that consumers can collect and wait for the right state.

This is implemented for the CLI for now.

This will help us in the UI to not start the lifecycle automatically.

Also ensure that setup token is always set automatically via a DB hook

Improve lifecycle and wakelock handling

Closes #73 and #77

See merge request !56

Allow cli app to set a custom setup token

See merge request !57

For testing purposes only!

Increment tor control and socks port by two

See merge request !55

Auto-start mailbox on device boots or after  upgraded

See merge request !50

Add proper notification icon for foreground notification

See merge request !51