[Improvement] generate a knowledge graph for the answer

[nayutah]

Is your improvement request related to a problem? Please describe.
1, in chatbot box when a question is answered
2, if the answer is related to a graph entity, generate a temp graph for the answer
3, the generated graph should be based on the original nodes from knowledge base and new nodes from the answer
4, new nodes and original nodes are processed together to get a new graph
5, the new graph shows under the answer

If this is a new function, please describe the motivation and goals.
A clear and concise description of why you want to happen, link the design doc if possible

Describe the solution you'd like
A clear and concise description of what you want to happen.

Describe alternatives you've considered
A clear and concise description of any alternative solutions or functions you've considered.

Additional context
Add any other context or screenshots about the improvement request here.

[github-actions]

This issue has been marked as stale because it has been open for 30 days with no activity