UI styling improvements: dashboard headers and navigation

- Restore blue PageHeader on Dashboard (/app-components)
- Update homepage (/) with subtle header design without blue bar
- Add uniform PageHeader styling to application edit page
- Fix Rapporten link on homepage to point to /reports overview
- Improve header descriptions spacing for better readability

docs/AZURE-ACR-DNL-SCOPE.md

@@ -85,7 +85,7 @@
 
 ## 🎯 Aanbeveling voor Jouw Situatie
 
-**Voor Zuyderland CMDB GUI (20 gebruikers, corporate omgeving):**
+**Voor CMDB Insight (20 gebruikers, corporate omgeving):**
 
 ### Optie A: **"Unsecure"** (Aanbevolen) ⭐
 
@@ -124,7 +124,7 @@ acrName: 'zuyderlandcmdbacr-abc123'  # Met hash!
 
 ```yaml
 # docker-compose.prod.acr.yml
-image: zuyderlandcmdbacr-abc123.azurecr.io/zuyderland-cmdb-gui/backend:latest
+image: zuyderlandcmdbacr-abc123.azurecr.io/cmdb-insight/backend:latest
 ```
 
 ```bash