refactor(app): move demo launch outside main and add server config

app.py

@@ -7,6 +7,10 @@ import webbrowser
 import gradio as gr
 from dotenv import load_dotenv
 
+# global variables
+SERVER_NAME = "0.0.0.0"
+SERVER_PORT = 7860
+
 # Patch para compatibilidade com Python 3.13+
 if sys.version_info >= (3, 13):
     import types
@@ -167,7 +171,6 @@ def main():
 
         btn_clear.click(lambda: ([], "", gr.update(value=None)), None, [chatbot, text_input, audio_output])
 
-    demo.launch(share=True)
-
 if __name__ == "__main__":
     main()
+    demo.launch(server_name=SERVER_NAME, server_port=SERVER_PORT, share=True)