Add Colormind API to Art & Design

README.md

@@ -161,6 +161,7 @@ API | Description | Auth | HTTPS | CORS |
 API | Description | Auth | HTTPS | CORS |
 |---|---|---|---|---|
 | [Art Institute of Chicago](https://api.artic.edu/docs/) | Art | No | Yes | Yes |
+| [Colormind](http://colormind.io/api-access/) | Color scheme generator | No | No | Unknown |
 | [ColourLovers](http://www.colourlovers.com/api) | Get various patterns, palettes and images | No | No | Unknown |
 | [Cooper Hewitt](https://collection.cooperhewitt.org/api) | Smithsonian Design Museum | `apiKey` | Yes | Unknown |
 | [Dribbble](https://developer.dribbble.com) | Discover the world’s top designers & creatives | `OAuth` | Yes | Unknown |