feat: ability to change library (#77)

* feat: add AbsIcons font and update pubspec.yaml for font integration

* feat: implement library selection in YouPage

* fix: optimize authenticatedApi provider to not rebuild unnecessarily

* feat: add LibrarySwitchChip widget and integrate it into YouPage and ScaffoldWithNavBar

* feat: enhance library selection UI with refresh functionality and error handling

* fix: change library switcher activation from long press to double tap

* feat: show current library on nav bar

* feat: refactor LibraryBrowserPage to use CustomScrollView and enhance app bar with dynamic library icon and title

pubspec.yaml

@@ -122,6 +122,7 @@ flutter:
     - assets/animations/
     - assets/sounds/
     - assets/images/
+    - assets/fonts/
   #   - images/a_dot_burr.jpeg
   #   - images/a_dot_ham.jpeg
   # An image asset can refer to one or more resolution-specific "variants", see
@@ -147,3 +148,7 @@ flutter:
   #
   # For details regarding fonts from package dependencies,
   # see https://flutter.dev/custom-fonts/#from-packages
+  fonts:
+    - family: AbsIcons
+      fonts:
+        - asset: assets/fonts/AbsIcons.ttf