feat: YouTube Movie/TV Trailers (#454)

* feat: Get Youtube trailers from TMDB API and show on Movie/TV details page

* docs(overseerr-api.yml): remove youtube trailer URL (unused) from OAS

server/models/common.ts

@@ -2,8 +2,12 @@ import {
   TmdbCreditCast,
   TmdbCreditCrew,
   TmdbExternalIds,
+  TmdbVideo,
+  TmdbVideoResult,
 } from '../api/themoviedb';
 
+import { Video } from '../models/Movie';
+
 export interface ProductionCompany {
   id: number;
   logoPath?: string;
@@ -84,3 +88,18 @@ export const mapExternalIds = (eids: TmdbExternalIds): ExternalIds => ({
   tvrageId: eids.tvrage_id,
   twitterId: eids.twitter_id,
 });
+
+export const mapVideos = (videoResult: TmdbVideoResult): Video[] =>
+  videoResult?.results.map(({ key, name, size, type, site }: TmdbVideo) => ({
+    site,
+    key,
+    name,
+    size,
+    type,
+    url: siteUrlCreator(site, key),
+  }));
+
+const siteUrlCreator = (site: Video['site'], key: string): string =>
+  ({
+    YouTube: `https://www.youtube.com/watch?v=${key}/`,
+  }[site]);