Update README.md

README.md

@@ -43,4 +43,14 @@ proxy / localhost:3000 {
 }
 ```
 
-    
+## Contributing
+
+1. [Fork it](https://github.com/kodnaplakal/caddy-geoip/fork)
+2. Create your feature branch (`git checkout -b my-new-feature`)
+3. Commit your changes (`git commit -am 'Add some feature'`)
+4. Push to the branch (`git push origin my-new-feature`)
+5. Create a new [Pull Request](https://github.com/kodnaplakal/caddy-geoip/pulls)
+
+## Contributors
+
+- [kodnaplakal](https://github.com/kodnaplakal) Andrey Blinov - creator, maintainer