### What problem does this PR solve?

Added doc for switching elasticsearch to infinity

### Type of change

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

Unified all log files into one.

### What problem does this PR solve?

Unified all log files into one.

### Type of change

- [x] Refactoring

### What problem does this PR solve?

Integration with Infinity

- Replaced ELASTICSEARCH with dataStoreConn
- Renamed deleteByQuery with delete
- Renamed bulk to upsertBulk
- getHighlight, getAggregation
- Fix KGSearch.search
- Moved Dealer.sql_retrieval to es_conn.py


### Type of change

- [x] Refactoring

### What problem does this PR solve?

#2834 
### Type of change

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

### What problem does this PR solve?

Using password authentication to access ElasticSearch is essential,
especially in a production environment.

This PR will enable password access support.

### Type of change

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

### What problem does this PR solve?

#709 
### 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?


Issue link:#366

### Type of change

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

* Update .gitignore

* Update .gitignore

* Add resume parser and fix bugs

* add front end code

* change licence

* clean rust version project

* clean rust version project

* build python version rag-flow

* add alot of api

* clean rust version project

* clean rust version project

* build python version rag-flow

* add llm API

* refine llm API

* add field progress msg into docinfo; add file processing procedure

* go through upload, create kb, add doc to kb

* smoke test for all API

* smoke test for all API

* add field progress msg into docinfo; add file processing procedure

* go through upload, create kb, add doc to kb