fix starting with server name

app.py

@@ -28,5 +28,5 @@ with gr.Blocks(title="Tables Extractor", theme=gr.themes.Soft()) as demo:
                   status, downloads, gallery, html_view])
 
 if __name__ == "__main__":
-    demo.launch(server_name="127.0.0.1", server_port=int(
-        os.getenv("PORT", "7860")), debug=not IN_SPACES)
+    demo.launch(server_name="0.0.0.0", server_port=int(
+        os.getenv("PORT", "7860")), debug=not IN_SPACES)