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

README.md

@@ -26,17 +26,16 @@ Plus Dockge for visual management of containers, and Homepage dashboard to easil
 git clone https://github.com/kelinfoxy/EZ-Homelab.git
 cd EZ-Homelab
 
-# Configure environment
-cp .env.example .env
-nano .env  # Add your domain and tokens
-
-# Run setup script (installs Docker, generates secrets)
-sudo ./scripts/setup-homelab.sh
-
-# Deploy all services
-sudo ./scripts/deploy-homelab.sh
+# Run the unified setup script (guided installation)
+./scripts/ez-homelab.sh
 ```
 
+**What the script does:**
+- Installs Docker and required system packages
+- Guides you through configuration (domain, admin credentials, etc.)
+- Deploys selected services based on your needs
+- Sets up all stacks for Dockge management
+
 **Access your homelab:**
 - **Dockge**: `https://dockge.yourdomain.duckdns.org` (primary management interface)
 - **Homepage**: `https://homepage.yourdomain.duckdns.org` (service dashboard)