add 'doctypes' to default front matter; make sidebar more configurable

archetypes/default.md

@@ -5,6 +5,7 @@ img:
 teaser: ""
 domains: []
 topics: []
+doctypes: []
 date:   {{ .Date }}
 author: 
 draft:  false

layouts/partials/sidebar.html

@@ -12,6 +12,12 @@
     {{- else if .Site.Params.defaultImage -}}
     <img width="100%"  class="mt-3"
          src="{{ .Site.BaseURL }}img/{{ .Site.Params.defaultImage }}" alt="dummy">
+    {{- else if .Params.Summary -}}
+    <div class="card mt-3">
+      <div class="card-body bg-light">
+        <h5 class="card-text">{{ .Params.Summary }}</h5>
+      </div>
+    </div>
     {{- end }}
 
     {{- $site := .Site -}}
@@ -31,7 +37,8 @@
     </div>
     {{- end }}
 
-    {{ with .Params.Topics -}}
+    {{ if not .Site.Params.hideRelatedArticles -}}
+    {{- with .Params.Topics -}}
     <div class="card mt-3">
       <div class="card-header">
         <h4 class="card-text">{{ i18n "related" }}</h4>
@@ -53,9 +60,10 @@
         </ul>
       </div>
     </div>
+    {{- end -}}
     {{- end }}
 
-    {{ if .Site.Params.showSectionArticles -}}
+    {{ if not .Site.Params.hideSectionArticles -}}
     <div class="card mt-3">
       {{- $section := or .Section "posts" -}}
       <div class="card-header">