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- Remove outdated release notes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/dashboards/homepage/dokuwiki/conf/plugins.local.php

@@ -0,0 +1,12 @@
+<?php
+/*
+ * Local plugin enable/disable settings
+ *
+ * Auto-generated by install script
+ * Date: Tue, 20 Jan 2026 20:06:48 -0500
+ */
+
+$plugins['authad']    = 0;
+$plugins['authldap']  = 0;
+$plugins['authmysql'] = 0;
+$plugins['authpgsql'] = 0;