Hymn Book

- Added the Apostles' Creed and the Lord's Prayer to the Home Screen.
- Introduced experimental features in Settings, including Hymn Data export/import and theme color customization.
- Enhanced UI consistency with improved font size dialogs and translation animations.
- Corrected keyboard icon visibility and search box padding to prevent text overlap.
- Fixed typos in hymns, added missing stanzas and corrected hymn content.
- Improved translation handling with animations and icons.