Added sse and a new screen

backend/package.json

@@ -3,6 +3,7 @@
   "version": "1.0.0",
   "description": "",
   "main": "index.js",
+  "type": "module",
   "scripts": {
     "dev": "nodemon index.js"
   },
@@ -19,7 +20,8 @@
     "dotenv": "^8.2.0",
     "express": "^4.17.1",
     "express-session": "^1.17.1",
-    "mongodb": "^3.6.5"
+    "mongodb": "^3.6.5",
+    "nanoevents": "^7.0.1"
   },
   "eslintConfig": {
     "extends": "airbnb-base",