init from origin + update

server/io.js

@@ -0,0 +1,13 @@
+const { Server } = require('socket.io')
+const { createServer } = require('http')
+
+let io = null
+
+module.exports.setIo = (app) => {
+    const server = createServer(app)
+    io = new Server(server, {})
+
+    return server
+}
+
+module.exports.getIo = () => io