refactor(starter): upgrade to new version of gatsby

src/components/Post/Author/Author.tsx

@@ -0,0 +1,28 @@
+import React from "react";
+
+import { useSiteMetadata } from "@/hooks";
+import { getContactHref } from "@/utils";
+
+import styles from "./Author.module.scss";
+
+const Author = () => {
+  const { author } = useSiteMetadata();
+
+  return (
+    <div className={styles.author}>
+      <p className={styles.author__bio}>
+        {author.bio}
+        <a
+          className={styles["author__bio-twitter"]}
+          href={getContactHref("twitter", author.contacts.twitter)}
+          rel="noopener noreferrer"
+          target="_blank"
+        >
+          <strong>{author.name}</strong> on Twitter
+        </a>
+      </p>
+    </div>
+  );
+};
+
+export default Author;