Fix zip archive

Rename coreml-stable-diffusion-mixed-bit-palettization.zip to coreml-stable-diffusion-mixed-bit-palettization_original_compiled.zip

Rename coreml-stable-diffusion-xl-base_mbp_4_50_palettized.zip to coreml-stable-diffusion-mixed-bit-palettization.zip

Update README.md (#2)

Upload folder using huggingface_hub (#1)

initial commit