Adding paper to the repository

[Sierkinhane]

Hi,

Would you like to add this paper to the awesome list:

Learning Visual Prior via Generative Pre-Training (NeurIPS 2023)
code: https://github.com/Sierkinhane/VisorGPT
paper: https://openreview.net/pdf?id=LUT4b9gOtS

Best regards

[JosephKJ]

Please submit a PR, thanks!