Add Harvard Art Museums and alphabetize Art & Design section

README.md

@@ -77,8 +77,9 @@ API | Description | Auth | HTTPS | Link |
 API | Description | Auth | HTTPS | Link |
 |---|---|---|---|---|
 | Dribbble | Design | `OAuth` | No | [Go!](http://developer.dribbble.com/v1/) |
-| Noun Project | Icons | `OAuth` | No | [Go!](http://api.thenounproject.com/index.html) |
+| Harvard Art Museums | Art | `apiKey` | No | [Go!](https://github.com/harvardartmuseums/api-docs) |
 | Icons8 | Icons | `OAuth` | Yes | [Go!](http://docs.icons8.apiary.io/#reference/0/meta) |
+| Noun Project | Icons | `OAuth` | No | [Go!](http://api.thenounproject.com/index.html) |
 | Rijksmuseum| Art | `apiKey` | Yes | [Go!](https://www.rijksmuseum.nl/en/api) |
 
 ### Books