feat: Complete EZ-Homelab deployment system overhaul

- Add unified ez-homelab.sh script with guided menu interface
- Create dedicated Dockge stack in /opt/dockge for clean isolation
- Move dockerproxy from core to infrastructure stack
- Fix Authelia configuration with proper variable placeholders
- Update all compose files to use  variables
- Enhance script with comprehensive variable replacement
- Fix sed delimiter conflicts and middleware issues
- Add proper step numbering and error handling
- Prepare all stacks for Dockge management
- Update README with new deployment instructions

docker-compose/dashboards/docker-compose.yml

@@ -25,7 +25,6 @@ services:
     networks:
       - homelab-network
       - traefik-network
-      - dockerproxy-network
     volumes:
       - ./homepage:/app/config
       - /var/run/docker.sock:/var/run/docker.sock # For Docker integration do not mount RO
@@ -86,5 +85,3 @@ networks:
     external: true
   traefik-network:
     external: true
-  dockerproxy-network:
-    external: true