update the api key conf description

app.py

@@ -176,7 +176,7 @@ def create_gradio_app():
             with gr.Column(scale=1):
                 with gr.Accordion("🔑 API Configuration", open=True):
                     gr.Markdown(
-                        "Please enter your credentials. The agent will be configured when you send your first message."
+                        "We set up a Trello public board and a Github repository so you can experiment this agent. If you want to try with your account, you can edit this configuration with your API keys."
                     )
                     github_repo = gr.Textbox(
                         label="📁 GitHub Repo",