make site v4v ready

Author: Liongrass

_includes/head.html

@@ -21,5 +21,9 @@
 
   <!-- Use Jekyll SEO plugin -->
   {% seo %}
+  
+  <!-- Lightning address for Alby -->
+  <meta name="lightning" content="lnurlp:[email protected]"/>
+  <meta property="og:image" content="lionsgate.jpg" />
 
 </head>