[Feature][GraphRAG] Knowledge graph extraction supports document structure information

[fanzhidongyzby]

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• [X] I had searched in the issues and found no similar feature requirement.

Description

Analyze the document chapter structure and integrate it into the GraphRAG knowledge graph, we call it TextLink.

Use case

No response

Related issues

No response

Feature Priority

High

Are you willing to submit PR?

• [X] Yes I am willing to submit a PR!