Mixcloud Accepts CORS (public-apis#800)

* Change Unknown to Yes for Mixcloud CORS column

Author: vapurrmaid

README.md

@@ -499,7 +499,7 @@ API | Description | Auth | HTTPS | CORS |
 | [Jamendo](https://developer.jamendo.com/v3.0) | Music | `OAuth` | Yes | Unknown |
 | [LastFm](https://www.last.fm/api) | Music | `apiKey` | Yes | Unknown |
 | [Lyrics.ovh](http://docs.lyricsovh.apiary.io/) | Simple API to retrieve the lyrics of a song | No | Yes | Unknown |
-| [Mixcloud](https://www.mixcloud.com/developers/) | Music | `OAuth` | Yes | Unknown |
+| [Mixcloud](https://www.mixcloud.com/developers/) | Music | `OAuth` | Yes | Yes |
 | [MusicBrainz](https://musicbrainz.org/doc/Development/XML_Web_Service/Version_2) | Music | No | Yes | Unknown |
 | [Musikki](https://music-api.musikki.com/reference) | Music | `apiKey` | Yes | Unknown |
 | [Musixmatch](https://developer.musixmatch.com/) | Music | `apiKey` | Yes | Unknown |