Update README.md

Author: ExponentialML

README.md

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 [output.webm](https://user-images.githubusercontent.com/59846140/230748413-fe91e90b-94b9-49ea-97ec-250469ee9472.webm)
 
 ### Updates
+- **2023-4-17**: You can now convert your trained models from diffusers to `.ckpt` format for A111 webui. Thanks @kabachuha!  
 - **2023-4-8**: LoRA Training released! Checkout `configs/v2/lora_training_config.yaml` for instructions. 
 - **2023-4-8**: Version 2 is released! 
 - **2023-3-29**: Added gradient checkpointing support.