added confirmation of github hosting

index.html

@@ -5,10 +5,12 @@
   <script src="https://kit.fontawesome.com/abc8184f51.js" crossorigin="anonymous"></script>
   <meta http-equiv="content-type" content="text/html; charset=utf-8">
   <meta name="mobile-web-app-capable" content="yes" />
+  <meta name="hosted-at" content="github" />
   <meta name="omg.lol proofs" content="proven.lol/1ea80f">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <link rel="authorization_endpoint" href="https://indieauth.com/auth">
   <link rel="token_endpoint" href="https://tokens.indieauth.com/token">
+
   <!-- To use social readers via microsub, follow these steps.
     (Details: https://indieweb.org/Microsub#Getting_Started)
     1. After publishing this to your domain, sign in to https://aperture.p3k.io/login with your domain