add Mastodon link

lib/config/index.js

@@ -39,5 +39,6 @@ module.exports = {
     medium: "jakejarvis",
     linkedin: "jakejarvis",
     instagram: "jakejarvis",
+    mastodon: "fosstodon.org/@jakejarvis",
   },
 };

lib/config/seo.ts

@@ -112,6 +112,7 @@ export const socialProfileJsonLd: SocialProfileJsonLdProps = {
     `https://www.linkedin.com/in/${config.authorSocial?.linkedin}/`,
     `https://www.facebook.com/${config.authorSocial?.facebook}`,
     `https://www.instagram.com/${config.authorSocial?.instagram}/`,
+    `https://${config.authorSocial?.mastodon}`,
   ],
 };