feat: add main application entry point

app.py

@@ -0,0 +1,31 @@
+"""CodeAtlas - AI-Powered Codebase Visualization Tool"""
+
+from src.ui import create_app, CUSTOM_CSS
+from src.config import AUDIOS_DIR
+import gradio as gr
+
+
+def main():
+    """Launch the CodeAtlas application."""
+    app, custom_css = create_app()
+    
+    # Use Soft theme with orange accent
+    theme = gr.themes.Soft(
+        primary_hue=gr.themes.colors.orange,
+        secondary_hue=gr.themes.colors.orange,
+        neutral_hue=gr.themes.colors.gray,
+    )
+    
+    app.launch(
+        share=False,
+        server_name="0.0.0.0",
+        server_port=7860,
+        mcp_server=True,
+        theme=theme,
+        css=custom_css,
+        allowed_paths=[str(AUDIOS_DIR)],
+    )
+
+
+if __name__ == "__main__":
+    main()