add requirements

requirements.txt

@@ -0,0 +1,8 @@
+accelerate==0.18.0
+diffusers==0.16.0
+gradio==3.28.0
+safetensors==0.3.0
+torch==2.0.0
+torchvision==0.15.1
+transformers==4.28.1
+xformers==0.0.18