feat: update blog single template

layouts/contributors/list.html

@@ -10,7 +10,7 @@
 						<div class="card-body">
 							<h2 class="h3"><a class="stretched-link text-body" href="{{ .RelPermalink }}">{{ .Params.title }}</a></h2>
 							{{ if eq .Section "blog" -}}
-								<p>{{ .Params.lead | safeHTML }}</p>
+								<p>{{ .Params.excerpt | safeHTML }}</p>
 								{{ partial "main/blog-meta.html" . -}}
 							{{ end -}}
 						</div>