* WIP
* test: Add test tags for compose components
* test: Add basic test for compose about screen
* refactor: Add defaults for `AboutScreenContent`
* refactor: Move compose tests to unit tests
* refactor: Make `showRateOnGooglePlay` default to `app/build.gradle.kts/defaultConfig` value
* refactor: Best practise to make previews private to reduce pollution
* refactor: Best practise apply theme as high as possible for most cases
* style: Format AboutActivity.kt
* test: Add more comprehensive tests for about screen
* test: Fix configuration of compose tests
* Fix Gradle setup
* Fix build issues
* Adjust text sizing
* Use full black OLED theme in Compose if chosen in settings
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Co-authored-by: LooKeR <iamlooker@proton.me>
