link front page cloud button to portal landing page

Review here

_includes/frontpage/title-content.html

@@ -6,7 +6,7 @@
     
     <div class="services-box">
         <div class="services-title-buttons">
-            <a href="https://helmholtz.cloud/services" class="btn btn-light text-dark">
+            <a href="https://helmholtz.cloud" class="btn btn-light text-dark">
             Cloud Services
             </a>
             <a href="{% link services/software-overview.md %}" class="btn btn-light text-dark">