update the inference widget text and add instance_prompt for programmable uses (#1)

- update the inference widget text and add instance_prompt for programmable uses (979a3c38a8869fee269f2965b1acac0103d6729c)


Co-authored-by: Apolinário from multimodal AI art <multimodalart@users.noreply.huggingface.co>

README.md

@@ -8,6 +8,9 @@ tags:
   - diffusers
   - lora
 inference: true
+instance_prompt: sonic the hedgehog
+widget: 
+  - text: sonic the hedgehog
 ---
 
 # sdxl-ugly-sonic-lora