feat(ui): add Nutball theme (#4544)

* add nutball theme

* fix album grid outline

* cleanup

* Pagination fix + accent color update

* Fix animation on Activity icon

* style: fix prettier formatting in nutball theme

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Co-authored-by: Deluan <deluan@navidrome.org>

ui/src/themes/index.js

@@ -11,6 +11,7 @@ import GruvboxDarkTheme from './gruvboxDark'
 import CatppuccinMacchiatoTheme from './catppuccinMacchiato'
 import DraculaTheme from './dracula'
 import NuclearTheme from './nuclear'
+import NutballTheme from './nutball'
 import AmusicTheme from './amusic'
 import SquiddiesGlassTheme from './SquiddiesGlass'
 import NautilineTheme from './nautiline'
@@ -33,6 +34,7 @@ export default {
   NautilineTheme,
   NordTheme,
   NuclearTheme,
+  NutballTheme,
   SpotifyTheme,
   SquiddiesGlassTheme,
 }