Add Google Search service with advanced features

- Implement multi-method search (Custom Search API, SerpAPI, web scraping)
- Support up to 20 results with pagination
- Add date filtering and sorting capabilities
- Include full content fetching option
- Add country/language specific search support
- Implement Redis caching for performance
- Create comprehensive documentation

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

services/google-search/backend/requirements.txt

@@ -0,0 +1,9 @@
+fastapi==0.109.0
+uvicorn[standard]==0.27.0
+httpx==0.26.0
+pydantic==2.5.3
+pydantic-settings==2.1.0
+google-api-python-client==2.108.0
+beautifulsoup4==4.12.2
+redis==5.0.1
+serpapi==0.1.5