Added link alternate for activity pub on posts

CHANGELOG.md

@@ -6,6 +6,8 @@
 * Created activity and status pages for each page independent from the outbox.
     This should enable searches for specific posts to work rather than simply
     pointing to the main user.
+* Added header link alternates specifying the dual mime type of pages. This
+    should further help with searching for pages as AP status.
 * In the comment section for a page if a user doesnt have a profile picture
     setup it will now default to a generic avatar rather than render text.
 * Removed image alt text when rendering page comments. If an image profile link

layouts/partials/head.html

@@ -17,6 +17,10 @@
   <meta name="supported-color-schemes" content="light dark">
   <meta name="theme-color" content="{{ if .Params.themecolor }}#{{ .Params.themecolor}}{{ else }}#000000{{ end }}">
 
+  {{ if (and .Permalink (not .IsHome)) }}
+    <link href='{{ .Permalink }}' rel='alternate' type='application/activity+json'>
+  {{end}}
+
   <meta property="og:site_name" content="{{ site.Params.siteName }}">
 
   <!-- Indicates the twitter account that is the source for this webpage -->