Adjust summaries to account for Hugo breaking changes

Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>

assets/scss/style.scss

@@ -247,7 +247,7 @@ ul.post-list {
 
     p.post-wordcount, p.post-status {
         text-align: center;
-        margin-bottom: 0.6rem;
+        margin-bottom: 1rem;
     }
 
     .series-link {

layouts/partials/post.html

@@ -14,7 +14,7 @@
     {{ partial "seriesstatus.html" .page.Params.status }}
     </p>
     {{ end }}
-    <p class="post-preview">{{ .page.Summary }} {{ if .page.Truncated }}...{{ end }}</p>
+    <p class="post-preview">{{ partial "summary" .page }}</p>
     {{- if .linkSeries -}}
     {{- $term := index (.page.GetTerms "series") 0 -}}
     {{- with $term -}}

layouts/partials/summary.html

@@ -0,0 +1,5 @@
+{{- if .Params.summary -}}
+{{ .Params.summary }}
+{{- else -}}
+{{ .Summary | plainify | truncate 180 }}
+{{- end -}}

layouts/series/list.html

@@ -7,7 +7,7 @@
     <p>{{ partial "seriesstatus.html" .Params.status }}</p>
     <p>{{ i18n "postsFromTo" (dict "from" $startYear "to" $endYear) }}</p>
 </div>
-<p>{{ .Summary }}</p>
+<p>{{ partial "summary" . }}</p>
 
 <ul class="post-list">
     {{ range $pages }}