feat(article): display last updated time of a post

assets/scss/partials/layout/article.scss

@@ -71,14 +71,20 @@
             padding: var(--content-padding);
             padding-top: 0;
 
-            .article-copyright {
+            section:not(:first-child) {
                 margin-top: var(--content-padding);
+            }
+
+            section {
                 color: var(--card-text-color-tertiary);
                 text-transform: uppercase;
                 display: flex;
                 align-items: center;
+                font-size: 1.4rem;
 
                 svg {
+                    width: 20px;
+                    height: 20px;
                     margin-right: 15px;
                     stroke-width: 1.33;
                 }

layouts/partials/article/components/footer.html

@@ -13,4 +13,11 @@
         <span>{{ default .Site.Params.article.license.default .Params.license }}</span>
     </section>
     {{ end }}
+
+    {{- if not .Lastmod.IsZero -}}
+    <section class="article-time">
+        {{ (resources.Get "icons/clock.svg").Content | safeHTML }}
+        <span class="article-time--modified">Last updated on {{ .Lastmod.Format ( or .Site.Params.dateFormat "Jan 02, 2006 15:04 MST" ) }}</span>
+    </section>
+    {{- end -}}
 </footer>