chore: CHANGELOG and Productive deployment guide

CHANGELOG.md

@@ -25,6 +25,7 @@ please see [changelog_updates.md](docs/dev/changelog_updates.md).
 Read the deployment migration notes carefully if you want to retain the portal's current behavior.
 If you configure the optional variables incorrectly, you might end up with an inconsistent configuration.
 
+#### Backend
 Environment variable changes:
 - Renamed variables:
   - `authority-portal.caas.sovity.limit-per-mdsid` to `authority-portal.caas.sovity.limit-per-organization`
@@ -35,6 +36,16 @@ Environment variable changes:
     authority-portal.organization.id.prefix: "MDS"
     authority-portal.organization.id.length: "4"
     ```
+    
+#### Frontend
+Environment variable changes:
+- New optional configuration variables - the values assigned here are the ones you should use to retain the current behavior:
+  - ```yaml
+    # UI Branding profile
+    AUTHORITY_PORTAL_FRONTEND_ACTIVE_PROFILE: mds-open-source
+    # Short Dataspace name, used in some explanatory texts
+    AUTHORITY_PORTAL_FRONTEND_DATASPACE_SHORT_NAME: MDS
+    ```
 
 #### Compatible Versions
 

docs/deployment-guide/goals/production/README.md

@@ -291,6 +291,8 @@ AUTHORITY_PORTAL_FRONTEND_IFRAME_URL: https://mobility-dataspa-5n9px2qi7r.live-w
 AUTHORITY_PORTAL_FRONTEND_LEGAL_NOTICE_URL: https://mobility-dataspace.eu/legal-notice # Authority Portal Legal Notice URL
 AUTHORITY_PORTAL_FRONTEND_PRIVACY_POLICY_URL: https://mobility-dataspace.online/privacy-policy-mds-portal # MDS Privacy Policy URL
 AUTHORITY_PORTAL_FRONTEND_SUPPORT_URL: https://support.mobility-dataspace.eu # Support page URL
+AUTHORITY_PORTAL_FRONTEND_ACTIVE_PROFILE: mds-open-source # UI Branding profile
+AUTHORITY_PORTAL_FRONTEND_DATASPACE_SHORT_NAME: MDS # Short Dataspace name, used in some explanatory texts
 ```
 
 ### Data Catalog Crawlers