* Feat: Auto add underline for highlight in E-Ink mode
* Feat: Unify search result highlight to underline in E-Ink mode
* Feat: Create a simplified workflow for building signed release APK
* Fix: Restore original signing method for release build
* Feat: Create final workflow to build and release signed APK with custom body
* Feat: Finalized custom release workflow
* Chore: Revert workflow file to original version
* Fix: Adjust underline vertical position for visual perfection
