feat: adds streaming services custom slider (#3361)

* feat: adding streaming services as a slider is now an option

* fix: truncated slider titles on mobile

server/constants/discover.ts

@@ -20,6 +20,8 @@ export enum DiscoverSliderType {
   TMDB_SEARCH,
   TMDB_STUDIO,
   TMDB_NETWORK,
+  TMDB_MOVIE_STREAMING_SERVICES,
+  TMDB_TV_STREAMING_SERVICES,
 }
 
 export const defaultSliders: Partial<DiscoverSlider>[] = [