add socket connection

server/game/net/connection.js

@@ -0,0 +1,9 @@
+'use strict';
+
+class Connection {
+	constructor() {
+		
+	}
+}
+
+module.exports = Connection;

server/game/net/index.js

@@ -0,0 +1,25 @@
+'use strict';
+
+const socketio = require('socket.io');
+
+const Connection = require('./connection.js');
+
+class GameNet {
+	constructor() {
+		this.io = socketio(starbugs.webServer.appServer);
+	}
+
+	listen() {
+		let io = this.io;
+
+		this.io.on('connection', socket => {
+			console.log('connection');
+
+			socket.on('other event', data => {
+				console.log(data);
+			});
+		});
+	}
+}
+
+module.exports = GameNet;