GitLab

- Add LLM-aided formula and text correction functionality
- Update config reader to include LLM-aided settings
- Create new LLM-aided processing module
- Update main processing script to incorporate LLM-aided corrections
- Modify download scripts to check for new config version

- Remove the download script from the `docs` directory and unify it in the `scripts` directory.
- Update the JSON template URL in the script to the master branch.
- Modify the script download link provided in the documentation.
- Update the table recognition model in the configuration template to `rapid_table`.

- Update image path in README.md and README_zh-CN.md
- Update chemical formula recognition link in README.md and README_zh-CN.md

- Add new layout model option: DocLayout-YOLO
- Implement model initialization and prediction for DocLayout-YOLO
- Update configuration options to include new model- Modify existing code to support both LayoutLMv3 and DocLayout-YOLO models
- Update Gradio app to support more Custom Switch

* feat: manager docs with sphinx

* fix: readthedocs configure

* feat: support multiple language

* fix: add .readthedocs.yaml

* fix: requirments.txt path

---------
Co-authored-by: icecraft <xurui1@pjlab.org.cn>

- Simplify model download instructions, include initial download and updates
- Recommend using Hugging Face or ModelScope for downloading models
- Remove detailed steps for Git LFS download due to reliability issues
- Update configuration file name from template to final version
- Clarify location and automatic generation of the configuration file
- Update READMEs across different platforms to reflect these changes

- Add scripts to download models and update configuration file
- Remove manual steps for modifying model paths
- Update documentation for both ModelScope and HuggingFace model downloads
- Improve user experience by automating the entire process

- Add function to get local LayoutReader model directory- Check and use local model directory if available
- Fall back to online model if local directory not found
- Update model initialization to support local path
- Refactor model loading in singleton class