Version 1.3.1

- Removed the Foojay Gradle toolchain resolver plugin to improve F-Droid build compatibility
- Added a dedicated debug app variant with separate app ID, name suffix, and launcher branding
- Added Android 13+ per-app language selection (English and Brazilian Portuguese)
- Added Fastlane phone screenshots for store listing (welcome, home, popup, settings)
- Updated Android Gradle Plugin and build setup refinements for release pipeline stability
- Bumped app version to 1.3.1
