Add Azure DevOps (#2490)

README.md

@@ -407,6 +407,7 @@ API | Description | Auth | HTTPS | CORS |
 | [ApiFlash](https://apiflash.com/) | Chrome based screenshot API for developers | `apiKey` | Yes | Unknown |
 | [apilayer userstack](https://userstack.com/) | Secure User-Agent String Lookup JSON API | `OAuth` | Yes | Unknown |
 | [APIs.guru](https://apis.guru/api-doc/) | Wikipedia for Web APIs, OpenAPI/Swagger specs for public APIs | No | Yes | Unknown |
+| [Azure DevOps](https://docs.microsoft.com/en-us/rest/api/azure/devops/?view=azure-devops-rest-6.1) | The Azure DevOps basic components of a REST API request/response pair | `apiKey` | Yes | Unknown |
 | [Base](https://www.base-api.io/) | Building quick backends | `apiKey` | Yes | Yes |
 | [Bitbucket](https://developer.atlassian.com/bitbucket/api/2/reference/) | Bitbucket API | `OAuth` | Yes | Unknown |
 | [Blitapp](https://blitapp.com/api/) | Schedule screenshots of web pages and sync them to your cloud | `apiKey` | Yes | Unknown |