refactor: added notFoundHandler

src/config/notFoundHandler.ts

@@ -0,0 +1,8 @@
+import { RequestHandler } from "express";
+import createHttpError from "http-errors";
+
+const notFoundHandler: RequestHandler = (req, res, next) => {
+  return next(createHttpError.NotFound());
+};
+
+export default notFoundHandler;