Resolve "Update missing content from software.hifis.net"

This updates the content of the Consulting page and also copies the latest version of the _posts folder.

Closes #117 (closed)

_includes/frontpage/title-content.html

@@ -10,7 +10,7 @@
         <a href="https://aai.helmholtz.de" class="btn btn-light btn-lg text-dark">
             <i class="fas fa-network-wired"></i>Helmholtz AAI
         </a>
-        <a href="{{ '/services/software/consulting' | relative_url }}" class="btn btn-light btn-lg text-dark">
+        <a href="{% link services/software/consulting.html %}" class="btn btn-light btn-lg text-dark">
             <i class="fas fa-chart-line"></i> Consulting
         </a>
         <a href="{{ '/services/software/training' | relative_url }}" class="btn btn-light btn-lg text-dark">