Update README.md

shaunabanana · shaunabanana · commit c9773bf77cdb · 2021-06-14T00:45:41.000+08:00
diff --git a/README.md b/README.md
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 # unity-websocket-server
  A simple, zero-dependency WebSocket server for Unity.
+
+## Usage
+* Create an empty GameObject, assign the script `WebSocketServer.cs`.
+* Input the IP and port of the server.
+* Add callbacks to the `onMessage` UnityEvent.
