open Documentation in new window

src/pages/_includes/layout/footer.html

@@ -3,7 +3,7 @@
 		<div class="row text-center align-items-center flex-row-reverse">
 			<div class="col-lg-auto ms-lg-auto">
 				<ul class="list-inline list-inline-dots mb-0">
-					<li class="list-inline-item"><a href="{{ site.docs-url }}" class="link-secondary">Documentation</a></li>
+					<li class="list-inline-item"><a href="{{ site.docs-url }}" target="_blank" class="link-secondary" rel="noopener">Documentation</a></li>
 					<li class="list-inline-item"><a href="{{ site.base }}/license.html" class="link-secondary">License</a></li>
 					<li class="list-inline-item"><a href="{{ site.github-url }}" target="_blank" class="link-secondary" rel="noopener">Source code</a></li>
 					<li class="list-inline-item">