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- Remove outdated release notes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/widgets.yaml

@@ -0,0 +1,19 @@
+---
+# For configuration options and examples, please see:
+# https://gethomepage.dev/configs/info-widgets/
+
+- resources:
+    cpu: true
+    memory: true
+    disk: /
+
+- datetime:
+    text_size: xl
+    format:
+      dateStyle: long
+      timeStyle: short
+      hourCycle: h23
+
+- greeting:
+    text_size: 4xl
+    text: EZ Homelab