Merge branch '148-cloud-service-access-add-link-to-aai-login-tutorial' into 'master'

Resolve "Cloud Service Access: add link to AAI Login Tutorial"

Closes #148

See merge request hifis/hifis.net!272

services/cloud/access_provisioning.html

@@ -9,16 +9,17 @@ excerpt: >-
     Getting Service Access & Offering a new Service.
 ---
 
+<h1>Helmholtz Cloud Services</h1>
 <p>
-    Helmholtz Cloud is a federated cloud of all Helmholtz Centres. As a service provider, a Helmholtz Centre offers an IT service that can be used by other Helmholtz Centres 
+    The Helmholtz Cloud is a federated cloud of all centres of the Helmholtz Association. It offers IT services to all Helmholtz centres and the entire scientific community and partners. 
 </p>
 
-<p>    
-    The service can be offered Helmholtz-wide for all centres, or for selected user groups such as individual Helmholtz centres, their project groups, institutes or departments. Helmholtz-wide project groups are also possible, for example the Incubator Platforms.
+<p>   
+Helmholtz Cloud services are provided by one of the Helmholtz Centres so that they can be used by other Helmholtz Centres. Some services are made available to the whole association. Or they are limited to certain user groups such as specific Helmholtz Centres, their project groups, institutes or departments. Cross-centre project groups are also possible, for example the incubator platforms. And in most cases, external users can be integrated, e. g. as guest users.
 </p>
 
 <p>
-    The technical prerequisites for seamless login with the home account are provided by the <a href="https://login.helmholtz.de/home/">Helmholtz AAI</a> (<a href="https://www.hifis.net/doc/backbone-aai/">AAI documentation</a>). The organisational framework is provided by the <a href="https://hifis.net/doc/backbone-aai/policies/">Helmholtz AAI Policies</a>.
+    The technical prerequisites for seamless login with the home account are provided by the <a href="https://aai.helmholtz.de/">Helmholtz AAI</a>. The organisational framework is provided by the <a href="https://hifis.net/doc/backbone-aai/policies/">Helmholtz AAI Policies</a>.
 </p>
 
 <p>
@@ -43,6 +44,13 @@ excerpt: >-
     </div>
 </div>
 
+<h1>Login to Helmholtz Cloud Service</h1>
+        <p>
+        Helmholtz AAI allows seamless access to a large and growing number of Helmholtz Cloud Services. You can use your home institution’s login to use the services seamlessly. The tutorial <a href="https://aai.helmholtz.de/tutorial/2021/06/23/how-to-helmholtz-aai.html">Login to Helmholtz Cloud and associated services via Helmholtz AAI</a> explains the process click-by-click.  
+        </p>        
+    </div>
+</div>
+
 <h1>Becoming Service Provider</h1>
 <div class="image-block">
     <img