feat: Initialize FastAPI AI Gateway project structure with authentication, module management, and LLM API routing.

main.py

@@ -0,0 +1,9 @@
+import uvicorn
+import os
+from dotenv import load_dotenv
+
+load_dotenv()
+
+if __name__ == "__main__":
+    port = int(os.getenv("PORT", 8000))
+    uvicorn.run("app.main:app", host="0.0.0.0", port=port, reload=True)