feat: add contact page with form handling and validation

- Implemented a contact page with a form for user inquiries.
- Added validation for form fields using Zod schema.
- Integrated PostgreSQL database for storing contact messages.
- Created necessary API endpoints for form submission.
- Added admin authentication and session management.
- Developed CGU, cookies policy, privacy policy, and legal mentions pages.
- Set up Docker configuration for PostgreSQL and application services.
- Enhanced UI with responsive design and accessibility features.

package.json

@@ -9,17 +9,23 @@
     "lint": "eslint"
   },
   "dependencies": {
-    "next": "16.2.1",
+    "lucide-react": "^1.7.0",
+    "next": "16.2.2",
+    "nodemailer": "^8.0.4",
+    "pg": "^8.20.0",
     "react": "19.2.4",
-    "react-dom": "19.2.4"
+    "react-dom": "19.2.4",
+    "zod": "^4.3.6"
   },
   "devDependencies": {
     "@tailwindcss/postcss": "^4",
     "@types/node": "^20",
+    "@types/nodemailer": "^7.0.11",
+    "@types/pg": "^8.20.0",
     "@types/react": "^19",
     "@types/react-dom": "^19",
     "eslint": "^9",
-    "eslint-config-next": "16.2.1",
+    "eslint-config-next": "16.2.2",
     "tailwindcss": "^4",
     "typescript": "^5"
   }