Add Dog API

README.md

@@ -52,6 +52,7 @@ Please note a passing build status indicates all listed APIs are available since
 ### Animals
 API | Description | Auth | HTTPS | Link |
 |---|---|---|---|---|
+| Dog API | Based on the [Stanford Dogs Dataset](http://vision.stanford.edu/aditya86/ImageNetDogs/) | No | Yes | [Go!](https://dog.ceo/dog-api/) |
 | IUCN | IUCN Red List of Threatened Species | `apiKey` | No | [Go!](http://apiv3.iucnredlist.org/api/v3/docs) |
 | Petfinder | Adoption | `apiKey` | Yes | [Go!](https://www.petfinder.com/developers/api-docs/) |
 | RescueGroups | Adoption | No | Yes | [Go!](https://userguide.rescuegroups.org/display/APIDG/API+Developers+Guide+Home) |