### What problem does this PR solve?

1. Module init won't connect database any more.
2. Config in settings need to be used with settings.CONFIG_NAME

### Type of change

- [x] Refactoring

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

### What problem does this PR solve?

Rework task executor heartbeat, and print in console.

### Type of change

- [ ] Bug Fix (non-breaking change which fixes an issue)
- [x] New Feature (non-breaking change which adds functionality)
- [ ] Documentation Update
- [ ] Refactoring
- [ ] Performance Improvement
- [ ] Other (please describe):

### What problem does this PR solve?

Print configs at the RAGFlow startup phase.

### Type of change

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

```
2024-11-14 21:27:53,090 INFO     962231 Current configs, from /home/weilongma/Documents/development/ragflow/conf/service_conf.yaml:
2024-11-14 21:27:53,090 INFO     962231 ragflow: {'host': '0.0.0.0', 'http_port': 9380}
2024-11-14 21:27:53,090 INFO     962231 mysql: {'name': 'rag_flow', 'user': 'root', 'password': 'infini_rag_flow', 'host': 'mysql', 'port': 5455, 'max_connections': 100, 'stale_timeout': 30}
2024-11-14 21:27:53,090 INFO     962231 minio: {'user': 'rag_flow', 'password': 'infini_rag_flow', 'host': 'minio:9000'}
2024-11-14 21:27:53,090 INFO     962231 es: {'hosts': 'http://es01:1200', 'username': 'elastic', 'password': 'infini_rag_flow'}
2024-11-14 21:27:53,090 INFO     962231 redis: {'db': 1, 'password': 'infini_rag_flow', 'host': 'redis:6379'}
```

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

### 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: jinhai <haijin.chn@gmail.com>

### What problem does this PR solve?

Use consistent log file names, introduced initLogger

### Type of change

- [ ] Bug Fix (non-breaking change which fixes an issue)
- [ ] New Feature (non-breaking change which adds functionality)
- [ ] Documentation Update
- [x] Refactoring
- [ ] Performance Improvement
- [ ] Other (please describe):

### What problem does this PR solve?

Print version when RAGFlow server startup

### Type of change

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

---------

Signed-off-by: jinhai <haijin.chn@gmail.com>
Co-authored-by: Kevin Hu <kevinhu.sh@gmail.com>

### What problem does this PR solve?

1. Validate the Python version should >= 3.11
2. Download nltk data

### Type of change

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

---------

Signed-off-by: jinhai <haijin.chn@gmail.com>
Co-authored-by: jinhai <haijin.chn@gmail.com>
Co-authored-by: Zhichang Yu <yuzhichang@gmail.com>

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?

**Added openapi specification for API routes. This creates swagger UI
similar to FastAPI to better use the API.**
Using python package `flasgger`

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

Not all routes are included since this is a work in progress.

Docs can be accessed on: `{host}:{port}/apidocs`

### What problem does this PR solve?

feat: API access key management
https://github.com/infiniflow/ragflow/issues/2846
feat: Render markdown file with remark-loader
https://github.com/infiniflow/ragflow/issues/2846

### Type of change

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

### What problem does this PR solve?

Move the build image and launch from source back to README.

### Type of change

- [x] Documentation Update

---------

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

### What problem does this PR solve?

Rework Dockerfile.scratch
- Multiple stage Dockerfile
- Removed conda
- Replaced pip with poetry
- Added missing dependencies and fixed package version conflicts
- Added deepdoc models

### Type of change

- [x] Refactoring
- [ ] Performance Improvement
- [ ] Other (please describe):

### 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] Refactoring

### 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?

Optimize task broker and executor for reduce memory usage and deployment
complexity.

### Type of change
- [x] Performance Improvement
- [x] Refactoring

### Change Log
- Enhance redis utils for message queue(use stream)
- Modify task broker logic via message queue (1.get parse event from
message queue 2.use ThreadPoolExecutor async executor )
- Modify the table column name of document and task (process_duation ->
process_duration maybe just a spelling mistake)
- Reformat some code style(just what i see)
- Add requirement_dev.txt for developer
- Add redis container on docker compose

---------

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

* Refine README

* refine README

* refine README

* add front end code

* change licence

* rename web_server to API

* change name to web_server

* clean rust version project

* clean rust version project

* build python version rag-flow