Update index

index.md

@@ -20,6 +20,7 @@ The How-to cards are intended to provide practical guidance in implementing Data
 	<div class="index-box">
 		<h3>Access</h3>
 		<ul>
+			<li><a href="external/access/harrenhal-access">HARRENHAL access</a></li>
 			<li><a href="external/access/lums-passwords">LUMS account</a></li>
 			<li><a href="external/access/passwords">Managing your passwords</a></li>
 			<li><a href="external/access/vpn-cerbere-access">VPN/CERBERE connection</a></li>