Add Lidarr/Readarr backend support

- Add MUSIC and BOOK to MediaType enum
- Add permission flags for music/book requests
- Create Lidarr API adapter (artist/album search, add, remove)
- Create Readarr API adapter (book/author search, add, remove)
- Add Lidarr/Readarr settings interfaces and routes
- Add music and book API routes for search/detail
- Register all new routes in main router and settings router

server/routes/settings/index.ts

@@ -41,7 +41,9 @@ import semver from 'semver';
 import { URL } from 'url';
 import metadataRoutes from './metadata';
 import notificationRoutes from './notifications';
+import lidarrRoutes from './lidarr';
 import radarrRoutes from './radarr';
+import readarrRoutes from './readarr';
 import sonarrRoutes from './sonarr';
 
 const settingsRoutes = Router();
@@ -49,6 +51,8 @@ const settingsRoutes = Router();
 settingsRoutes.use('/notifications', notificationRoutes);
 settingsRoutes.use('/radarr', radarrRoutes);
 settingsRoutes.use('/sonarr', sonarrRoutes);
+settingsRoutes.use('/lidarr', lidarrRoutes);
+settingsRoutes.use('/readarr', readarrRoutes);
 settingsRoutes.use('/discover', discoverSettingRoutes);
 settingsRoutes.use('/metadatas', metadataRoutes);