Added waifu.pics

Changed waifu.pics url

changed to to api docs in stead of main page

README.md

@@ -85,6 +85,7 @@ API | Description | Auth | HTTPS | CORS |
 | [Kitsu](https://kitsu.docs.apiary.io/) | Anime discovery platform | `OAuth` | Yes | Yes |
 | [MyAnimeList](https://myanimelist.net/clubs.php?cid=13727) | Anime and Manga Database and Community | `OAuth` | Yes | Unknown |
 | [Studio Ghibli](https://ghibliapi.herokuapp.com) | Resources from Studio Ghibli films | No | Yes | Yes |
+| [Waifu.pics](https://waifu.pics/docs) | Image sharing platform for anime images | No | Yes | No |
 | [What Anime](https://soruly.github.io/trace.moe/) | Scan anime image to get specific detail | No | Yes | Yes |
 
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