add zerogpu support

app.py

@@ -1,3 +1,4 @@
+import spaces
 import gradio as gr
 import os
 import sys
@@ -30,7 +31,7 @@ def download_model():
         if not os.path.exists(local_file):
             hf_hub_download(repo_id=REPO_ID, filename=filename, local_dir='./checkpoints/dynamicrafter_1024_v1/', force_download=True)
     
-
+@spaces.GPU
 def infer(image, prompt, steps=50, cfg_scale=7.5, eta=1.0, fs=3, seed=123):
     resolution = (576, 1024)
     download_model()