* Enhancement: Update issue templates and add new tools
- Updated bug report template to include a default label of 'bug'.
- Updated feature request template to include a default label of 'enhancement'.
- Added new credential class for Agentflow API.
- Enhanced Agent and HTTP nodes to improve tool management and error handling.
- Added deprecation badges to several agent and chain classes.
- Introduced new tools for handling requests (GET, POST, DELETE, PUT) with improved error handling.
- Added new chatflows and agentflows for various use cases, including document QnA and translation.
- Updated UI components for better handling of agent flows and marketplace interactions.
- Refactored utility functions for improved functionality and clarity.
* Refactor: Remove beta badge and streamline template title assignment
- Removed the 'BETA' badge from the ExtractMetadataRetriever class.
- Simplified the title assignment in the agentflowv2 generator by using a variable instead of inline string manipulation.
* Base changes for ServerSide Events (instead of socket.io)
* lint fixes
* adding of interface and separate methods for streaming events
* lint
* first draft, handles both internal and external prediction end points.
* lint fixes
* additional internal end point for streaming and associated changes
* return streamresponse as true to build agent flow
* 1) JSON formatting for internal events
2) other fixes
* 1) convert internal event to metadata to maintain consistency with external response
* fix action and metadata streaming
* fix for error when agent flow is aborted
* prevent subflows from streaming and other code cleanup
* prevent streaming from enclosed tools
* add fix for preventing chaintool streaming
* update lock file
* add open when hidden to sse
* Streaming errors
* Streaming errors
* add fix for showing error message
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Co-authored-by: Henry <hzj94@hotmail.com>