feat: Emby support (#234)

* fix: support credential extraction from Emby

* fix: minor compatibility with emby for retrieving albums

* fix: rename credentials and save credentials type

* fix: weird issue when changing libraries

* fix: correctly map platform names in auth header

* chore: properly carry over old settings

* fix: only enable playlists on jellyfin

* fix: remove jellyfin mentions

* fix: incorporate jellyfin and emby as mentions

src/store/index.ts

@@ -64,6 +64,23 @@ const persistConfig: PersistConfig<Omit<AppState, '_persist'>> = {
                 }
             };
         },
+        // @ts-expect-error migrations are poorly typed
+        5: (state: AppState) => {
+            // @ts-expect-error
+            const credentials = state.settings.jellyfin && { 
+                // @ts-expect-error
+                ...(state.settings.jellyfin as AppState['settings']['credentials']),
+                type: 'jellyfin',
+            };
+
+            return {
+                ...state,
+                settings: {
+                    ...state.settings,
+                    credentials,
+                },
+            };
+        }
     })
 };