Back again with some long awaited and nice features!

• New theme with time-of-the-day wallpapers!
• System theme integration
• Prayer-time window opacity adjustment
• Background blur adjustment
• 24-Hour time format
• Time offset adjustments from -30 to +60 minutes
• Ability to choose separate custom adhan for each prayer
• Show either Hijri, Gregorian or both dates
• Hijri date offset adjustments
• Better keyboard navigation
• [Flatpak] Statically linked libraries
• Fixed bugs
• Slimmed code base

Special thanks to [Hasan Esa](https://gitlab.com/HasanEsa/) for the contributions and motivation, more will follow as a result inshallah.