Add Blague API (#2831)

* Add Blague API

Add Blague API to Development

* Change Auth type & Fix backticks

Change Auth type & Fix value not enclosed with backticks

README.md

@@ -453,6 +453,7 @@ API | Description | Auth | HTTPS | CORS |
 | [Base](https://www.base-api.io/) | Building quick backends | `apiKey` | Yes | Yes |
 | [Beeceptor](https://beeceptor.com/) | Build a mock Rest API endpoint in seconds | No | Yes | Yes |
 | [Bitbucket](https://developer.atlassian.com/bitbucket/api/2/reference/) | Bitbucket API | `OAuth` | Yes | Unknown |
+| [Blague.xyz](https://blague.xyz/) | La plus grande API de Blagues FR/The biggest FR jokes API | `apiKey` | Yes | Yes |
 | [Blitapp](https://blitapp.com/api/) | Schedule screenshots of web pages and sync them to your cloud | `apiKey` | Yes | Unknown |
 | [Blynk-Cloud](https://blynkapi.docs.apiary.io/#) | Control IoT Devices from Blynk IoT Cloud | `apiKey` | No | Unknown |
 | [Bored](https://www.boredapi.com/) | Find random activities to fight boredom | No | Yes | Unknown |