Add Cloud Elevator pitch on Cloud Service pages and Frontpage

Closes #158 (closed)

services/cloud/Helmholtz_cloud.md

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     <p>
-    <strong>The <a href="https://cloud.helmholtz.de/">Helmholtz Cloud</a> offers the scientists of the Helmholtz Association and their partners a federated scientific community cloud that provides the matching IT services for seamless collaboration.</strong><br>
-    Unlike most public cloud providers, a wide range of IT services from scientific computing to Sync &amp; Share are provided and securely hosted by the Helmholtz Centres in Germany. 
+    <strong>In the <a href="https://cloud.helmholtz.de/">Helmholtz Cloud</a>, members of the Helmholtz Association of German research centers provide selected IT-Services for joint use.</strong><br>
+    The Service Portfolio covers the whole scientific process and offers Helmholtz employees and their project partners a federared community cloud with uniform access for them to conduct and support excellent science. 
     The connection to international developments (e.g. EOSC at European level) is regarded as essential and the "FAIR" principles in particular are taken into account.
     </p>
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