Update Homepage dashboard and deployment scripts

- Homepage: Reorganize services by stack instead of by category
- Homepage: Add comprehensive Available to Install sections for all stacks
- Homepage: Update config templates with {{HOMEPAGE_VAR_DOMAIN}} placeholder
- Homepage: Change layout from row to column style
- Scripts: Add sudo requirement to deploy-homelab.sh
- Scripts: Replace NVIDIA driver installation with official installer method
- Scripts: Add build prerequisites and nouveau blacklisting
- Docs: Add AI Automation Guidelines section to docker-guidelines.md
- Docs: Document Homepage auto-update requirements and workflow
- Config: Add bookmarks.yaml template for Homepage
- Config: Add alternatives.yml compose file (Portainer, Authentik)
- Config: Update .env.example and authelia configuration

config-templates/homepage/widgets.yaml

@@ -1,14 +1,11 @@
-# Homepage Configuration - Widgets
-# Copy to /opt/stacks/homepage/config/widgets.yaml
-# Displays system resources and other information
-
 ---
-- logo:
-    icon: https://avatars.githubusercontent.com/u/...  # Your logo here
+# Homepage Widgets Configuration
+# Service widgets omitted per user request
 
-- search:
-    provider: google
-    target: _blank
+- resources:
+    cpu: true
+    memory: true
+    disk: /
 
 - datetime:
     text_size: xl
@@ -16,34 +13,3 @@
       dateStyle: long
       timeStyle: short
       hourCycle: h23
-
-- resources:
-    label: System
-    cpu: true
-    memory: true
-    disk: /
-    cputemp: true
-    uptime: true
-    units: metric
-
-- resources:
-    label: Storage
-    disk: /mnt/media
-    expanded: true
-
-- resources:
-    label: Downloads
-    disk: /mnt/downloads
-    expanded: true
-
-- openmeteo:
-    label: Weather
-    latitude: 40.7128
-    longitude: -74.0060
-    units: metric
-    cache: 5
-
-- unifi_console:
-    url: http://unifi:8443
-    username: {{HOMEPAGE_VAR_UNIFI_USER}}
-    password: {{HOMEPAGE_VAR_UNIFI_PASS}}