Migrate from moment to date-fns and some changes

backend/package.json

@@ -4,7 +4,7 @@
 	"description": "",
 	"main": "index.js",
 	"scripts": {
-		"start": "nodemon app.js",
+		"start": "nodemon src/app.js",
 		"test": "echo \"Error: no test specified\" && exit 1"
 	},
 	"nodemonConfig": {
@@ -19,6 +19,7 @@
 		"cors": "^2.8.5",
 		"dotenv": "^8.2.0",
 		"express": "^4.17.1",
+		"express-async-errors": "^3.1.1",
 		"express-validator": "^6.5.0",
 		"jsonwebtoken": "^8.5.1",
 		"multer": "^1.4.2",
@@ -27,7 +28,8 @@
 		"sequelize": "^5.21.13",
 		"sequelize-cli": "^5.5.1",
 		"socket.io": "^2.3.0",
-		"whatsapp-web.js": "^1.7.0"
+		"whatsapp-web.js": "^1.7.0",
+		"youch": "^2.0.10"
 	},
 	"devDependencies": {
 		"nodemon": "^2.0.4"