contentthumbnail(bool) now supported in feed posts

main-site/archetypes/default.md

@@ -3,5 +3,6 @@ title: '{{ replace .File.ContentBaseName "-" " " | title }}'
 description: null
 date: {{ .Date }}
 thumbnail: null
+ContentThumbnail: true
 article: false
 ---

main-site/themes/temper/layouts/_default/single.html

@@ -7,9 +7,11 @@
   </div>
   {{ end }}
   {{  if .Params.Thumbnail }}
+    {{ if .Params.ContentThumbnail }}
       <a href="{{ .Params.Thumbnail }}">
         <img class="card-img" src="{{ .Params.Thumbnail }}">
       </a>
     {{ end }}
+  {{ end }}
   <div class="container">{{ .Content }}</div>
 {{ end }}