feat(community): add Google Maps geocoding integration

[von-development]

PR Description

Add Google Maps Geocoding integration to the community package, providing a wrapper and tool for geocoding functionality with comprehensive error handling and type safety.

Type

🆕 New Feature
✅ Test

Changes

• Add GoogleGeocodingAPIWrapper for Google Maps API integration

  • Comprehensive error handling
  • Proper type hints
  • Support for batch geocoding
  • Async support
  • Configurable retry mechanism

• Add GoogleGeocodingTool for LangChain integration

  • Compatible with LangChain agents
  • Support for batch location queries
  • Configurable result limits
  • Proper error handling

• Add integration tests

  • Async geocoding test
  • Batch geocoding test
  • Error handling scenarios
  • Tool functionality tests

Testing

✅ All checks passed:

• poetry run ruff format . - Formatting
• poetry run ruff check . - Linting
• poetry run mypy . - Type checking
• Integration tests with actual API calls

Test scenarios covered:

• Single location geocoding
• Batch location queries
• Async geocoding operations
• Error handling with invalid queries
• Tool usage in agent context

Note

• Requires GOOGLE_MAPS_API_KEY environment variable
• All tests pass locally
• Follows community package standards
• Implements proper error handling for API responses
• Includes comprehensive type hints
• Supports both sync and async operations
• Compatible with LangChain agents

Checklist

• PR Title follows convention: "community: add Google Maps geocoding integration"
• Added comprehensive tests
• All linting and formatting checks pass
• Type checking passes
• Optional dependencies properly handled
• Changes are backwards compatible

[von-development]

@lkuligin Thanks for taking the time to review the PR! Let me know if there's anything else needed.