Add Movie mappings

[winterbird-code]

AniDB	TVDB/TMDB/IMDB	Notes
https://anidb.net/anime/2018	https://www.themoviedb.org/movie/763006	Movie
https://anidb.net/anime/2409	https://www.themoviedb.org/movie/1031947	Movie
https://anidb.net/anime/3140	https://www.themoviedb.org/movie/928691	Movie
https://anidb.net/anime/3965	https://www.themoviedb.org/movie/441687	Music Video
https://anidb.net/anime/4254	https://www.themoviedb.org/movie/746255	Movie
https://anidb.net/anime/9885	https://www.themoviedb.org/movie/1023603	Movie
https://anidb.net/anime/11462	https://www.themoviedb.org/movie/685308	Movie
https://anidb.net/anime/12482	https://www.themoviedb.org/movie/763762	Movie
https://anidb.net/anime/17562	https://www.imdb.com/title/tt21610088	Music Video
https://anidb.net/anime/17811	https://www.imdb.com/title/tt28055106	Movie

[winterbird-code]

For some reasons "apply changes" via github didn't seem to work (or I don't know how to use it?), so I added a manual commit for the changes :slightly_smiling_face: