feat: Update EZ-Homelab configurations and documentation

- Update .env.example with latest environment variables
- Enhance homepage dashboard configurations and templates
- Improve Traefik routing templates for external hosts
- Update docker-compose files for dashboards and infrastructure
- Add comprehensive TUI documentation and PRD
- Add new Homelab-Audit documentation
- Remove outdated release notes

docker-compose/infrastructure/docker-compose.yml

@@ -81,8 +81,10 @@ services:
       - "homelab.category=infrastructure"
       - "homelab.description=Network-wide ad blocking and DNS"
       # Traefik reverse proxy (comment/uncomment to disable/enable)
-      # If Traefik is on a remote server: these labels are NOT USED; 
-      #   configure external yml files in /traefik/dynamic folder instead.
+      # IMPORTANT: On REMOTE SERVERS (where Traefik runs elsewhere):
+      #   - COMMENT OUT all traefik.* labels below (don't delete them)
+      #   - Routes are configured via external YAML files on the core server
+      #   - This prevents conflicts between Docker labels and file provider
       - "traefik.enable=true"
       - "traefik.http.routers.pihole.rule=Host(`pihole.${DOMAIN}`)"
       - "traefik.http.routers.pihole.entrypoints=websecure"