user nouveau onglet

package.json

@@ -26,13 +26,15 @@
     "bcryptjs": "^3.0.2",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
+    "dotenv": "^17.2.3",
     "lucide-react": "^0.544.0",
     "mongodb": "^6.20.0",
     "next": "15.5.4",
     "react": "19.1.0",
     "react-dom": "19.1.0",
     "recharts": "^3.2.1",
-    "tailwind-merge": "^3.3.1"
+    "tailwind-merge": "^3.3.1",
+    "xlsx": "^0.18.5"
   },
   "devDependencies": {
     "@eslint/eslintrc": "^3",