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/utils/package.json

@@ -0,0 +1,22 @@
+{
+  "name": "@repo/utils",
+  "version": "0.0.0",
+  "exports": {
+    ".": "./src/index.ts"
+  },
+  "license": "MIT",
+  "scripts": {
+    "lint": "eslint \"**/*.ts\""
+  },
+  "dependencies": {
+    "crypto-js": "^4.2.0",
+    "dayjs": "^1.11.19"
+  },
+  "devDependencies": {
+    "@repo/eslint-config": "workspace:*",
+    "@repo/typescript-config": "workspace:*",
+    "@types/crypto-js": "^4.2.2",
+    "eslint": "^8.57.1",
+    "typescript": "5.5.4"
+  }
+}