Add help message to access token

app.py

@@ -55,7 +55,11 @@ with st.form(key="form"):
         data = str(uploaded_file.read(), "utf-8")
         json_data = json.loads(data)
 
-    token = st.text_input("Access token", type="password")
+    token = st.text_input(
+        "Access token",
+        type="password",
+        help="You can generate an access token via your Hub settings. See the [docs](https://huggingface.co/docs/hub/security#user-access-tokens) for more details",
+    )
 
     submit_button = st.form_submit_button("Submit")