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/shared_album.provider.dart

@@ -0,0 +1,57 @@
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:immich_mobile/modules/sharing/models/shared_album.model.dart';
+import 'package:immich_mobile/modules/sharing/services/shared_album.service.dart';
+
+class SharedAlbumNotifier extends StateNotifier<List<SharedAlbum>> {
+  SharedAlbumNotifier() : super([]);
+
+  final SharedAlbumService _sharedAlbumService = SharedAlbumService();
+
+  getAllSharedAlbums() async {
+    List<SharedAlbum> sharedAlbums = await _sharedAlbumService.getAllSharedAlbum();
+
+    state = sharedAlbums;
+  }
+
+  Future<bool> deleteAlbum(String albumId) async {
+    var res = await _sharedAlbumService.deleteAlbum(albumId);
+
+    if (res) {
+      state = state.where((album) => album.id != albumId).toList();
+      return true;
+    } else {
+      return false;
+    }
+  }
+
+  Future<bool> leaveAlbum(String albumId) async {
+    var res = await _sharedAlbumService.leaveAlbum(albumId);
+
+    if (res) {
+      state = state.where((album) => album.id != albumId).toList();
+      return true;
+    } else {
+      return false;
+    }
+  }
+
+  Future<bool> removeAssetFromAlbum(String albumId, List<String> assetIds) async {
+    var res = await _sharedAlbumService.removeAssetFromAlbum(albumId, assetIds);
+
+    if (res) {
+      return true;
+    } else {
+      return false;
+    }
+  }
+}
+
+final sharedAlbumProvider = StateNotifierProvider<SharedAlbumNotifier, List<SharedAlbum>>((ref) {
+  return SharedAlbumNotifier();
+});
+
+final sharedAlbumDetailProvider = FutureProvider.autoDispose.family<SharedAlbum, String>((ref, albumId) async {
+  final SharedAlbumService _sharedAlbumService = SharedAlbumService();
+
+  return await _sharedAlbumService.getAlbumDetail(albumId);
+});