Add Mangapi (#2248)

README.md

@@ -141,6 +141,7 @@ API | Description | Auth | HTTPS | CORS |
 | [Jikan](https://jikan.moe) | Unofficial MyAnimeList API | No | Yes | Yes |
 | [Kitsu](https://kitsu.docs.apiary.io/) | Anime discovery platform | `OAuth` | Yes | Yes |
 | [MangaDex](https://api.mangadex.org/docs.html) | Manga Database and Community | `apiKey` | Yes | Unknown |
+| [Mangapi](https://rapidapi.com/pierre.carcellermeunier/api/mangapi3/) | Translate manga pages from one language to another | `apiKey` | Yes | Unknown |
 | [MyAnimeList](https://myanimelist.net/clubs.php?cid=13727) | Anime and Manga Database and Community | `OAuth` | Yes | Unknown |
 | [NekosBest](https://docs.nekos.best) | Neko Images & Anime roleplaying GIFs | No | Yes | Yes |
 | [Shikimori](https://shikimori.one/api/doc) | Anime discovery, tracking, forum, rates | `OAuth` | Yes | Unknown |