LAION-400M Citation

[samuelstevens]

Not sure if this is the best spot, but I was looking for a Bibtex citation for LAION-400M's Neurips 2021 version, and had to manually type it out.
I thought it could be added to the README to make it easier for future people.

@inproceedings{schuhmann2021laion400m,
    author={Schuhmann, Cristoph and Vencu, Richard and Beaumont, Romain and Kaczmarczyk, Robert and Mullis, Clayton and Jitsev, Jenia and Komatsuzaki, Aran},
    title={{LAION-400M}: Open Dataset of {CLIP}-Filtered 400 Million Image-Text Pairs},
    booktitle={Proceedings of Neurips Data-Centric AI Workshop},
    year={2021} 
}