add appy gradio file

app.py

@@ -0,0 +1,14 @@
+import gradio as gr
+​
+# inference function takes prompt, negative prompt and image
+def infer(image, prompt):
+    # implement your inference function here
+    output_image = image
+    return output_image
+​
+title = "ControlNet for Cartoon-ifying"
+description = "This is a demo on ControlNet for changing images of people into cartoons of different styles."
+examples = [["./simpsons_human_10.png", "turn into a simpsons character", "./simpsons_animated_10.png"]]
+​
+gr.Interface(fn = infer, inputs = ["image", "text"], outputs = "image",
+            title = title, description = description, examples = examples, theme='gradio/soft').launch()