feat(notifications): add multi-channel notification module with Email, FCM, templates, and event listeners

- Domain: NotificationLog/NotificationPreference entities, repositories, channel value object
- Infrastructure: EmailService (nodemailer/SMTP), FcmService (firebase-admin), TemplateService (Handlebars)
- Application: SendNotification CQRS command, UserRegistered + AgentVerified event listeners
- Presentation: NotificationsController with history, preferences, and templates endpoints
- Prisma: NotificationLog and NotificationPreference models with proper indexes
- Templates: Vietnamese notification templates for user.registered, agent.verified, listing.approved, inquiry.received, password.reset

Co-Authored-By: Paperclip <noreply@paperclip.ing>

apps/web/package.json

@@ -10,9 +10,17 @@
     "typecheck": "tsc --noEmit"
   },
   "dependencies": {
+    "@hookform/resolvers": "^5.2.2",
+    "class-variance-authority": "^0.7.1",
+    "clsx": "^2.1.1",
+    "lucide-react": "^1.7.0",
     "next": "^14.2.0",
     "react": "^18.3.0",
-    "react-dom": "^18.3.0"
+    "react-dom": "^18.3.0",
+    "react-hook-form": "^7.72.1",
+    "tailwind-merge": "^3.5.0",
+    "zod": "^4.3.6",
+    "zustand": "^5.0.12"
   },
   "devDependencies": {
     "@types/node": "^22.0.0",
@@ -21,6 +29,7 @@
     "autoprefixer": "^10.4.0",
     "postcss": "^8.4.0",
     "tailwindcss": "^3.4.0",
+    "tailwindcss-animate": "^1.0.7",
     "typescript": "^5.7.0"
   }
 }