Add missing seasons endpoint and update metadata handling

Implemented a new endpoint to retrieve missing seasons for shows, enhancing the MetadataEndpoints class. Updated the IMetadataProvider interface to include a method for fetching season numbers. Adjusted the ShowSummaryDto to include other genres and modified the ListShowsQueryHandler to handle multiple genres. Enhanced the Omdb and Tmdb metadata providers to support season number retrieval. Updated frontend components to integrate missing seasons functionality, including API calls and UI elements for displaying missing seasons reports.

frontend/src/shared/lib/locales/en.ts

@@ -308,6 +308,7 @@ export const en = {
       loadedSeasons: 'Loaded seasons',
       genre: 'Genre',
       allGenres: 'All genres',
+      otherGenres: 'Other genres',
       genresEmpty: 'No genres set',
       genresEdit: 'Genres',
       genresHint:
@@ -676,6 +677,12 @@ export const en = {
       missingUnknown: 'The source did not return the episode count for this season.',
       missingNone: 'All episodes present.',
       missingList: 'Missing',
+      findMissingSeasons: 'Find missing seasons',
+      missingSeasonsTitle: 'Missing seasons',
+      missingSeasonsUnknownTotal: 'The source did not return the season list for this series.',
+      missingSeasonsNone: 'All seasons present.',
+      missingSeasonsList: 'Seasons with no loaded episodes',
+      missingSeasonsUnknown: 'The source does not know these loaded seasons: {{list}}.',
     },
   },
 }