Summary: Add code to download weights and demo code for running model. Weights at: - https://huggingface.co/collections/facebook/blt-6801263d4ac1704702a192a6 - https://huggingface.co/facebook/blt - https://huggingface.co/facebook/blt-1b - https://huggingface.co/facebook/blt-7b Test Plan:
