Enhance API Method Documentation with gRPC Support and Improved Organization

- Added new properties for metadata handling and enhanced templates for summary, request, response, parameters, security, and examples.
- Introduced gRPC-specific features including method badges, stream type detection, and example generation.
- Improved styling for enhanced readability and organization of API documentation sections.
- Implemented collapsible metadata section for additional information display.
- Updated styles to support new documentation features and improve overall user experience.

Author: alexpmule