How to use this plugin

1. install node dependencies by running command npm install
2. create a new 3d project in unity
3. install socket.io asset in unity form asset store.
4. drag and drop SocketIO prefab in the scene.(SocketIO/prefabs/SocketIO.prefab)
5. replace port number to 3000 in url property of socketIO component script
6. create an empty component, name it 'controller' and add controller.cs script
7. run node index.js in cmd
8. run unity game