feat: add encryption and date service utilities

- Implemented EncryptionService for secure data handling with AES encryption.
- Created DateService for advanced date manipulation and formatting.
- Developed EncryptionDemo and DateServiceComponent for interactive demonstrations.
- Added LocalStorage demo for encrypted data storage and retrieval.
- Established ESLint and TypeScript configurations for utils package.
- Included example utility function for demonstration purposes.

packages/ui/package.json

@@ -11,6 +11,7 @@
   },
   "dependencies": {
     "@tailwindcss/vite": "^4.1.18",
+    "@repo/utils": "workspace:*",
     "react": "^19.2.3",
     "react-dom": "^19.2.3",
     "tailwind-merge": "^3.4.0",