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.

Dockerfile

@@ -0,0 +1,14 @@
+FROM node:20-alpine
+
+WORKDIR /app
+
+COPY package.json package-lock.json* ./
+RUN npm install --omit=dev
+
+COPY . ./
+
+RUN mkdir -p /app/data
+
+EXPOSE 3100
+
+CMD ["npm", "start"]