Update readme with a disclaimer

Author: GabLeRoux

README.md

@@ -15,6 +15,10 @@ I made this for free as a gift to the video game community so if this tool helpe
 
 [![Become a Patron](./doc/become_a_patron_button.png)](https://www.patreon.com/bePatron?c=1073078)
 
+## Disclaimer
+
+This project is not affiliated with Unity Technologies.
+
 ## License
 
 [MIT](LICENSE.md) © [Gabriel Le Breton](https://gableroux.com)