Added docs

Signed-off-by: Dipankar Das <dipankardas0115@gmail.com>

app.py

@@ -17,6 +17,10 @@ async def docs_redirect():
 
 @app.get("/generate")
 def generate(url: str):
+    """
+    https://huggingface.co/docs/transformers/main/en/model_doc/pix2struct#transformers.Pix2StructForConditionalGeneration
+    https://huggingface.co/google/pix2struct-widget-captioning-large/blob/main/README.md
+    """
     # url = "https://www.ilankelman.org/stopsigns/australia.jpg"
     image = Image.open(requests.get(url, stream=True).raw)