Add UUID generator

README.md

@@ -827,6 +827,7 @@ API | Description | Auth | HTTPS | CORS |
 | [RoboHash](https://robohash.org/) | Generate random robot/alien avatars | No | Yes | Unknown |
 | [This Person Does not Exist](https://thispersondoesnotexist.com) | Generates real-life faces of people who do not exist | No | Yes | Unknown |
 | [UI Names](https://github.com/thm/uinames) | Generate random fake names | No | Yes | Unknown |
+| [UUID Generator](https://www.uuidtools.com/docs) | Generate UUIDs | No | Yes | No |
 | [Yes No](https://yesno.wtf/api) | Generate yes or no randomly | No | Yes | Unknown |
 
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