Added more code documentation (Vector3, WebSocket)

docs/documentation/android/code_documentation/WebSocket.md

@@ -0,0 +1,64 @@
+# WebSocket
+
+This class represents a WebSocket server.
+
+## private WebSocket()
+
+Constructor for creating a new WebSocket server.
+
+## public static WebSocket createServer()
+
+Function for creating a new WebSocket server. Due to Android security restrictions,
+the server must be created both in a separate thread and with a non-predefined port.
+The port will be selected by the system.
+
+## public void startListening()
+
+Method for listening for incoming connections.
+This creates a new thread for the server.
+
+## public void stop()
+
+Method for stopping the WebSocket server.
+
+## public void setEventHandler(IWebSocketHandler handler)
+
+Method for setting the event handler for this WebSocket server.
+This event handler accepts all WebSocket events, such as:
+- onConnected(Socket socket)
+- onMessageReceived(WebSocket.Message message, WebSocket.MessageReply replier)
+- onDisconnected(Socket socket)
+- onError(Socket socket, String error)
+
+## public ServerSocket getSocket()
+
+Method for getting the ServerSocket connection.
+
+## public boolean isConnected()
+
+Method for checking whether this WebSocket connection is connected.
+
+---
+
+# WebSocket.Message
+
+Class representing a message received from a WebSocket connection.
+
+### Fields
+
+- `WebSocketConnection connection`: The connection from which the message was received.
+- `String message`: The message content.
+
+## Opcode decode(byte opcode)
+
+Method for decoding the opcode of a message.
+
+## public Message(WebSocketConnection connection, String message)
+
+Constructor for a WebSocket message.
+
+# MessageReply
+
+Interface for a message reply.
+This can be used for sending back a response to the client, by calling
+`reply(String message)`.