Milestone refinement cloud portal

Refinement of cloud portal MS.

• link to Roadmap preview

1. Moved "production version" Milestone to Nov 21
   • corresponds to webapp milestone %3
2. Added proposal for "user specific service view", Sept 21
   • corresponds to webapp milestone %1

_roadmap/cloud/2021-11-01-Cloud-Portal.md

@@ -7,6 +7,6 @@ service: cloud
 ## Release of Helmholtz Cloud Portal
 The production version of the Helmholtz Cloud Portal will be made available.
 It mediates the user's access to all Helmholtz Cloud services and 
-contains the service description, including service level commitments (SLC), of the available services. 
+contains the service description, including service level agreements (SLA) and/or commitments (SLC) of the available services. 
 It  will include automated testing, redundant deployment, database backups, etc.