### What problem does this PR solve?

Related source file is in Windows/DOS format, they are format to Unix
format.

### Type of change

- [x] Refactoring

Signed-off-by: Jin Hai <haijin.chn@gmail.com>

### What problem does this PR solve?

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

### What problem does this PR solve?

#1594

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?

#1711 

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

### What problem does this PR solve?

#1689

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

### What problem does this PR solve?

#918 

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?


### Type of change

- [x] Refactoring

### What problem does this PR solve?

Optimize docx handle method in laws parser

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

### 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?

feat: support json file.

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)
- [x] New Feature (non-breaking change which adds functionality)

---------

Co-authored-by: KevinHuSh <kevinhu.sh@gmail.com>

### 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?

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._

### Type of change

- [x] Refactoring

Signed-off-by: Jin Hai <haijin.chn@gmail.com>

### What problem does this PR solve?

#651 

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

### What problem does this PR solve?

### Type of change

- [x] Refactoring

### What problem does this PR solve?

#384

### Type of change

- [x] Performance Improvement

### What problem does this PR solve?

Issue link:#295
### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

### 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/226)]

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

* add use layout or not option

* trival

* fix position extraction bug

* remove delimiter for naive parser

* init README of deepdoc, add picture processer.

* add resume parsing

* clean rust version project

* clean rust version project

* build python version rag-flow