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- Remove outdated release notes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/smileys.conf

@@ -0,0 +1,28 @@
+# Smileys configured here will be replaced by the
+# configured images in the smiley directory
+
+8-)         cool.svg
+8-O         eek.svg
+8-o         eek.svg
+:-(         sad.svg
+:-)         smile.svg
+=)          smile2.svg
+:-/         doubt.svg
+:-\         doubt2.svg
+:-?         confused.svg
+:-D         biggrin.svg
+:-P         razz.svg
+:-o         surprised.svg
+:-O         surprised.svg
+:-x         silenced.svg
+:-X         silenced.svg
+:-|         neutral.svg
+;-)         wink.svg
+m(          facepalm.svg
+^_^         fun.svg
+:?:         question.svg
+:!:         exclaim.svg
+LOL         lol.svg
+FIXME       fixme.svg
+DELETEME    deleteme.svg
+