move README to the docs page

Author: endel

README.md

@@ -17,82 +17,10 @@
     <img src="https://img.shields.io/discord/525739117951320081.svg?style=for-the-badge&colorB=7581dc&logo=discord&logoColor=white">
   </a>
   <h3>
-     Multiplayer Game Client for <a href="https://unity3d.com/">Unity</a>. <br /><a href="http://colyseus.io/docs/">View documentation</a>
+     Multiplayer Game Client for <a href="https://unity3d.com/">Unity</a>. <br /><a href="https://docs.colyseus.io/getting-started/unity3d-client/">View documentation</a>
   </h3>
 </div>
 
-## Installation
-
-Copy `Assets/Plugins` into your Unity project.
-
-## Running the demo server
-
-Ensure you have [Node v6+](http://nodejs.org/) installed. Then run these
-commands in your commandline:
-
-```
-cd Server
-npm install
-npm start
-```
-
-## Usage
-
-You'll need to start a coroutine for each WebSocket connection with the server.
-See [usage example](Assets/ColyseusClient.cs) for more details.
-
-```csharp
-Client colyseus = new Colyseus.Client ("ws://localhost:2657");
-
-Room room = colyseus.Join ("room_name");
-room.OnStateChange += OnStateChange;
-```
-
-**Getting the full room state**
-
-```csharp
-void OnStateChange (object sender, RoomUpdateEventArgs e)
-{
-	if (e.isFirstState) {
-		// First setup of your client state
-		Debug.Log(e.state);
-	} else {
-		// Further updates on your client state
-		Debug.Log(e.state);
-	}
-}
-```
-
-**Listening to add/remove on a specific key on the room state**
-
-```csharp
-room.Listen ("players/:id", OnPlayerChange);
-```
-
-```csharp
-void OnPlayerChange (DataChange change)
-{
-	Debug.Log (change.path["id"]);
-	Debug.Log (change.operation); // "add" or "remove"
-	Debug.Log (change.value); // the player object
-}
-```
-
-**Listening to specific data changes in the state**
-
-```csharp
-room.Listen ("players/:id/:axis", OnPlayerMove);
-```
-
-```csharp
-void OnPlayerMove (DataChange change)
-{
-	Debug.Log ("OnPlayerMove");
-	Debug.Log ("playerId: " + change.path["id"] + ", axis: " + change.path["axis"]);
-	Debug.Log (change.value);
-}
-```
-
 ## License
 
 MIT