readme: Diffusion model trained on https://huggingface.co/datasets/huggan/smithsonian_butterflies_subset
  
  Example outputs:
  ![examples](https://huggingface.co/tglcourse/ddpm-butterflies-64px/resolve/main/example_outputs.png)
  
  Usage:
  
  ```
  pipeline = DDPMPipeline.from_pretrained('tglcourse/ddpm-ema-butterflies-64').to(device)
  images = pipeline(batch_size=8).images
  ```
  
  More info in course soon.