✨ update default model to V2

Signed-off-by: peter szemraj <peterszemraj@gmail.com>

app.py

@@ -100,7 +100,7 @@ def get_parser():
         "--model",
         required=False,
         type=str,
-        default="postbot/distilgpt2-emailgen",
+        default="postbot/distilgpt2-emailgen-V2",
         help="Pass an different huggingface model tag to use a custom model",
     )
 
@@ -119,7 +119,7 @@ Hello,
 
 Following up on last week's bubblegum shipment, I"""
 
-available_models = ['postbot/distilgpt2-emailgen', 'postbot/distilgpt2-emailgen-V2', 'postbot/gpt2-medium-emailgen']
+available_models = ['postbot/distilgpt2-emailgen-V2', 'postbot/distilgpt2-emailgen', 'postbot/gpt2-medium-emailgen']
 
 if __name__ == "__main__":
     logging.info("\n\n\nStarting new instance of app.py")