Add barebone to support socket.io

(This is more a temp commit to update the frontend)

backend/lib/rabbit.js

@@ -1,5 +1,3 @@
-import * as amqp from 'amqplib';
-import { Schema, SchemaType } from 'mongoose';
 import { logger, RABBITMQ_URI } from '../app';
 import { Beat } from '../models/beat/beat.model.';
 import { ISeverity, NotificationType } from '../models/notifications/notification.interface';

backend/lib/socketio.ts

@@ -0,0 +1,24 @@
+import * as socketio from "socket.io";
+
+/**
+ * This class handles all SocketIO connections.
+ * 
+ * *SocketIO is another layer ontop of WebSockets*
+ */
+class SocketManager {
+
+    io: socketio.Server;
+    express: Express.Application;
+
+    constructor (express: Express.Application) {
+        this.io = new socketio.Server(express);
+        this.express = express;
+    }
+
+    init() {
+        this.io.on('connect', data => {
+            console.log('New connection')
+        });
+    }
+
+}