add Docker Hub API

README.md

@@ -392,6 +392,7 @@ API | Description | Auth | HTTPS | CORS |
 | [CORS Proxy](https://github.com/burhanuday/cors-proxy) | Get around the dreaded CORS error by using this proxy as a middle man | No | Yes | Yes |
 | [CountAPI](https://countapi.xyz) | Free and simple counting service. You can use it to track page hits and specific events | No | Yes | Yes |
 | [DigitalOcean Status](https://status.digitalocean.com/api) | Status of all DigitalOcean services | No | Yes | Unknown |
+| [Docker Hub](https://docs.docker.com/docker-hub/api/latest/) | Interact with Docker Hub | `apiKey` | Yes | Yes |
 | [DomainDb Info](https://api.domainsdb.info/) | Domain name search to find all domains containing particular words/phrases/etc | No | Yes | Unknown |
 | [Duply](https://duply.co/docs#getting-started-api) | Dynamic Image creation API | `apiKey` | Yes | Yes |
 | [ExtendsClass JSON Storage](https://extendsclass.com/json-storage.html) | A simple JSON store API | No | Yes | Yes |