### What problem does this PR solve?
Support displaying images in chunks of docx files when using general
parser
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Place pdf's image at the correct position in QA parser
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
Add docx support for manual parser
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Add docx support for QA parser
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Add markdown support for QA parser
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
Support extracting questions and answers from PDF files
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
_Briefly describe what this PR aims to solve. Include background context
that will help reviewers understand the purpose of the PR._
Issue link:#[[Link the issue
here](https://github.com/infiniflow/ragflow/issues/209)]
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
