update readme

Author: barelyhuman

README.md

@@ -11,6 +11,10 @@
 
 Check [this issue](https://github.com/barelyhuman/babel-plugin-mutable-react-state/issues/4)
 
+## Docs
+
+[Web Documentation](https://barelyhuman.github.io/babel-plugin-mutable-react-state/#/)
+
 ## Notes
 
 - While the caveats exist due to the extensive types of expressions that javascript has, it's recommended that you use a cloned variable and then just assigned the modification to the reactive variable if you plan to use it right now.