Add huggingface login

app.py

@@ -1,4 +1,11 @@
 import gradio as gr
+import os
+from huggingface_hub import login
+from dotenv import load_dotenv
+
+load_dotenv()
+hf_token = os.getenv('HF_TOKEN', 'your-key-if-not-using-env')
+login(hf_token, add_to_git_credential=True)
 
 def greet(name):
     return "Hello " + name + "!!"