Add head-widgets

internal/glance/templates/page-content.html

@@ -2,12 +2,20 @@
 <div class="mobile-reachability-header">{{ .Page.Title }}</div>
 {{ end }}
 
+{{ if .Page.HeadWidgets }}
+<div class="head-widgets">
+    {{- range .Page.HeadWidgets }}
+    {{- .Render }}
+    {{- end }}
+</div>
+{{ end }}
+
 <div class="page-columns">
-{{ range .Page.Columns }}
+{{- range .Page.Columns }}
     <div class="page-column page-column-{{ .Size }}">
-        {{ range .Widgets }}
-            {{ .Render }}
-        {{ end }}
+        {{- range .Widgets }}
+        {{- .Render }}
+        {{- end }}
     </div>
-{{ end }}
+{{- end }}
 </div>