- Added LocalPath method to the Manager and Storage interfaces to retrieve the absolute path and content type of files.
- Enhanced local and S3 storage implementations to support LocalPath, including handling gzipped files and content type detection.
- Introduced comprehensive tests for LocalPath functionality, covering various file types, non-existent files, and gzipped content.
- Updated AddFile API to utilize LocalPath for retrieving file information, improving error handling and response consistency.
- Added AddFile, AddText, AddURL, and AddSegments functions to handle file and segment uploads, including JSON request parsing and validation.
- Integrated error handling for invalid requests and uninitialized Knowledge Base instances, ensuring robust API responses.
- Enhanced response structures for success and error cases, improving consistency across the API.
- Updated AutoDetectConverter function to use a single content type parameter instead of multiple content types.
