Added "This Person Does Not Exist" API (#1086)

Added "This Person Does Not Exist" link to Test Data section.

README.md

@@ -815,6 +815,7 @@ API | Description | Auth | HTTPS | CORS |
 | [Loripsum](http://loripsum.net/) | The "lorem ipsum" generator that doesn't suck | No | No | Unknown |
 | [RandomUser](https://randomuser.me) | Generates random user data | No | Yes | Unknown |
 | [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 |
 | [Yes No](https://yesno.wtf/api) | Generate yes or no randomly | No | Yes | Unknown |