add mastodon verify info

Author: hauner

src/partials/oap-head.hbs

@@ -9,4 +9,6 @@
 <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.13.0/css/solid.css">
 <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.13.0/css/regular.css">
 <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.13.0/css/brands.css">
+
+<link rel="me" href="https://fosstodon.org/@OpenApiProcess">
 {{> oap-header}}