implementation de nodemailer for email validation

backend/package.json

@@ -3,9 +3,12 @@
   "version": "1.0.0",
   "main": "index.js",
   "scripts": {
-    "dev": "nodemon src/app.js",
-    "test": "echo \"Error: no test specified\" && exit 1",
-    "generate:tickets": "node src/scripts/generateTickets.js"
+    "dev": "nodemon server.js",
+    "start": "node server.js",
+    "generate:tickets": "node src/scripts/generateTickets.js",
+    "test": "jest --runInBand",
+    "test:watch": "jest --watch",
+    "test:coverage": "jest --coverage"
   },
   "keywords": [],
   "author": "",
@@ -15,16 +18,21 @@
     "@prisma/client": "^6.19.3",
     "bcrypt": "^6.0.0",
     "cors": "^2.8.6",
-    "dotenv": "^17.4.2",
     "express": "^5.2.1",
     "jsonwebtoken": "^9.0.3",
+    "nodemailer": "^9.0.1",
     "prisma": "^6.19.3",
     "swagger-jsdoc": "^6.3.0",
     "swagger-ui-express": "^5.0.1",
     "zod": "^4.4.3"
   },
   "devDependencies": {
-    "nodemon": "^3.1.14"
+    "@types/jest": "^30.0.0",
+    "cross-env": "^10.1.0",
+    "dotenv": "^17.4.2",
+    "jest": "^30.4.2",
+    "nodemon": "^3.1.14",
+    "supertest": "^7.2.2"
   },
   "prisma": {
     "seed": "node prisma/seed.js"