feat: initialize news service with core functionality

- Add package.json for project configuration and dependencies.
- Implement NewsApplication class to manage service lifecycle and HTTP pipeline.
- Create CategoryCatalog for managing news categories.
- Introduce ServiceConfig for environment variable management.
- Load environment variables from .env files.
- Develop NewsApiCompatibilityController to mimic NewsAPI endpoints.
- Create NewsController for querying and refreshing news data.
- Establish AbstractJsonRepository for JSON storage operations.
- Implement main entry point in index.js to bootstrap the application.
- Create CategoryNewsRepository for category-specific news storage.
- Add ConsoleLogger for structured logging.
- Implement NewsApiClient for fetching articles from NewsAPI.
- Develop NewsRefreshScheduler for scheduling news refresh tasks.
- Create NewsStorageService to coordinate news data management.

package.json

@@ -0,0 +1,18 @@
+{
+  "name": "news-service",
+  "version": "1.0.0",
+  "description": "Standalone news microservice with scheduled sync and JSON storage",
+  "type": "commonjs",
+  "main": "src/index.js",
+  "scripts": {
+    "start": "node src/index.js",
+    "dev": "node --watch src/index.js"
+  },
+  "engines": {
+    "node": ">=20.0.0"
+  },
+  "dependencies": {
+    "express": "^4.21.2",
+    "node-cron": "^4.2.1"
+  }
+}