Option to link from subproject to external site

content/subprojects/docs/index.md

@@ -7,6 +7,7 @@ tags = ["Demo", "Test"]
 [extra]
 preview = "pond.jpg"
 badge = "Coming Soon"
+url = "https://example.com"
 +++
 
 This feature is not yet implemented. Coming soon!

templates/partials/subprojects.html

@@ -1,7 +1,11 @@
 <div id="subproject-list">
 	{%- for page in section.pages %}
 		<article>
+			{%- if page.extra.url -%}
+				<a href="{{ page.extra.url }}"></a>
+			{%- else -%}
 				<a href="{{ page.permalink | safe }}"></a>
+			{%- endif -%}
 			{% if page.extra.badge %}
 					<span class="badge subproject-badge">
 						{{ page.extra.badge }}