Adds external link section to Anilist manga pages, with Anime-Planet, MyAnimeList, MangaUpdates, MangaDex, and AniSearch. MU is a custom Google search since their site doesn't allow direct search.
Uses the Anilist native language title as a search query for on other sites like Anime-Planet, MyAnimeList, MangaUpdates / Baka-Updates, MangaDex, and AniSearch. Backup search query term is the main title in the heading.
