fix: css mime

Author: frankpagan

README.md

@@ -49,4 +49,4 @@ CoCreateJS is maintained and funded by CoCreate. The names and logos for CoCreat
 We encourage contribution to our libraries (you might even score some nifty swag), please see our [CONTRIBUTING](https://github.com/CoCreate-app/CoCreateJS/blob/master/CONTRIBUTING.md) guide for details.
 
 # License
-[The MIT License (MIT)](https://github.com/CoCreate-app/CoCreateJS/blob/master/LICENSE)
+[The MIT License (MIT)](https://github.com/CoCreate-app/CoCreateJS/blob/master/LICENSE)