remove unnecessary react fragments

components/PageTitle/PageTitle.tsx

@@ -0,0 +1,24 @@
+import { memo } from "react";
+import { useRouter } from "next/router";
+import Link from "next/link";
+import type { ReactNode } from "react";
+
+import styles from "./PageTitle.module.css";
+
+type Props = {
+  children: ReactNode;
+};
+
+const PageTitle = ({ children }: Props) => {
+  const router = useRouter();
+
+  return (
+    <h1 className={styles.title}>
+      <Link href={router.asPath}>
+        <a>{children}</a>
+      </Link>
+    </h1>
+  );
+};
+
+export default memo(PageTitle);