docs: update config

app.py

@@ -24,7 +24,10 @@ inputs=[
         gr.Number(value=3, minimum=0, label="Sigma", info="Spatial standard deviation for spatial affinity based Gaussian weights.")
 ]
 outputs=["image"]
-examples=[["demo/1.jpg"], ["demo/2.bmp"]]
+examples=[
+    ["demo/1.jpg", 0.6, 0.15, 3],
+    ["demo/2.bmp", 0.6, 0.15, 3]
+]
 
 def enhance_image(image, gamma, lambda_, sigma, lime=True, bc=1, bs=1, be=1, eps=1e-3):
     # enhance image