Add songkick API

README.md

@@ -336,6 +336,7 @@ API | Description | Auth | HTTPS | Link |
 | MusicBrainz | Music | No | Yes | [Go!](https://musicbrainz.org/doc/Development/XML_Web_Service/Version_2) |
 | Musikki | Music | No | Yes | [Go!](https://music-api.musikki.com/reference) |
 | Musixmatch | Music | `apiKey` | Yes | [Go!](https://developer.musixmatch.com/) |
+| Songkick | Music Events | `OAuth` | Yes | [Go!](https://www.songkick.com/developer/) |
 | Songsterr | Provides guitar, bass and drums tabs and chords  | No | Yes | [Go!](https://www.songsterr.com/a/wa/api/) |
 | Soundcloud | Music | No | Yes | [Go!](https://developers.soundcloud.com/) |
 | Spotify | Music | `OAuth` | Yes | [Go!](https://developer.spotify.com/web-api/) |