Update README.md

Update README.md

Update short_description.txt

Add icon and description in fastlane folder

Lock pubspec for reproducible builds

Add version code

Update workflow

Update workflow and pubspec to add flutter version

Update workflow to include build number for universal apk

Update workflow to include build number

remove EXIF from screenshots

Fix: set jvmTarget to 17 and java to 17

bump version, increase number/operator size inside buttons

move fastlane folder

Add SHA256 checksum for Gradle 8.11.1