New Changes:
- Reimplement UI using pages
- Added a new 'About' page, with support for GNOME 42
- Added a new 'Credits' page, for extension developers and translators
- Replaced preferences title with page switcher
- Replaced extension icon with an svg
- Miscellaneous settings menu design improvements
- Updated README and showcase screenshots
- General code fixes (Primarily target GNOME 40+, styling, code quality improvements)
- Build system improvements (Output, structure)