118 - Implement shared album feature (#124)

* New features 
  - Share album. Users can now create albums to share with existing people on the network.
  - Owner can delete the album.
  - Owner can invite the additional users to the album.
  - Shared users and the owner can add additional assets to the album.
* In the asset viewer, the user can swipe up to see detailed information and swip down to dismiss.
* Several UI enhancements.

mobile/lib/modules/sharing/providers/album_title.provider.dart

@@ -0,0 +1,15 @@
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+
+class AlbumTitleNotifier extends StateNotifier<String> {
+  AlbumTitleNotifier() : super("");
+
+  setAlbumTitle(String title) {
+    state = title;
+  }
+
+  clearAlbumTitle() {
+    state = "";
+  }
+}
+
+final albumTitleProvider = StateNotifierProvider<AlbumTitleNotifier, String>((ref) => AlbumTitleNotifier());