To run this code, you are supposed to add papers to paper_pdfs, then
1.use pdf2md.py convert pdf to markdown and save them at paper_md. To config minerU,ref: https://github.com/opendatalab/MinerU
2.use pdftoimg.py get the first image of all pdfs. And set the template in layout_template.
3.Input the API key of corresponding LLM
4.run main.py