chore(aggregators): add configuration and deployment setup for Kagi aggregator master
Adds all necessary configuration and deployment files: Configuration: - config.example.yaml: Example feed-to-community mappings - .env.example: Environment variable template for credentials - requirements.txt: Python dependencies (feedparser, bs4, requests, etc.) - pytest.ini: Test configuration with coverage settings Deployment: - crontab: CRON schedule for daily feed fetching (1 PM UTC) - README.md: Setup instructions, deployment guide, testing Setup process: 1. Copy config.example.yaml to config.yaml and configure feeds 2. Set environment variables (AGGREGATOR_DID, credentials) 3. Install dependencies: pip install -r requirements.txt 4. Run tests: pytest 5. Deploy with docker-compose (planned for Phase 2) Ready for integration testing with live Coves API.