Change read_root endpoint to a synchronous function for improved performance

main.py

@@ -129,7 +129,7 @@ async def validation_exception_handler(request: Request, exc: RequestValidationE
 
 # Endpoints
 @app.get("/")
-async def read_root():
+def read_root():
     return {"message": "Hello from our API, models are loading in the background!"}