Added JokeAPI (#1021)

https://sv443.net/jokeapi

README.md

@@ -387,6 +387,7 @@ API | Description | Auth | HTTPS | CORS |
 | [Hypixel](https://api.hypixel.net/) | Hypixel player stats | `apiKey` | Yes | Unknown |
 | [IGDB.com](https://api.igdb.com/) | Video Game Database | `apiKey` | Yes | Unknown |
 | [Jokes](https://github.com/15Dkatz/official_joke_api) | Programming and general jokes | No | Yes | Unknown |
+| [JokeAPI](https://sv443.net/jokeapi) | Programming, Miscellaneous and Dark Jokes | No | Yes | Yes |
 | [Jservice](http://jservice.io) | Jeopardy Question Database | No | No | Unknown |
 | [Magic The Gathering](http://magicthegathering.io/) | Magic The Gathering Game Information | No | No | Unknown |
 | [Marvel](http://developer.marvel.com) | Marvel Comics | `apiKey` | No | Unknown |