Full lab documentation and infrastructure as code

- Trino catalogs, Grafana, Spark jobs, LDAP LDIF, NPM compose
- Airflow DAG scripts, Proxmox VM inventory, network docs
- Ansible playbook, Gitea CI validate workflow
- Backup and health-check scripts, cron documentation
- Homepage DOCS tab with links to all documentation
- Extended collect-fleet-config.sh and populate-repo.py

config/homepage/services.yaml

@@ -512,6 +512,39 @@
             href: link
             target: _blank
 
+
+- Documentation:
+    - Architecture Diagram:
+        icon: mdi-sitemap
+        href: http://atc-docker01.dell-atc.lan:8080/docs/architecture.html
+        description: High-level environment map (Mermaid)
+        color: "#007DB8"
+    - Application Landscape:
+        icon: mdi-book-open-variant
+        href: http://atc-mgt01.dell-atc.lan:3001/mo/Lakehouse/src/branch/master/docs/landscape.md
+        description: docs/landscape.md in Forgejo
+        color: "#E8752A"
+    - Network Diagram:
+        icon: mdi-lan
+        href: http://atc-mgt01.dell-atc.lan:3001/mo/Lakehouse/src/branch/master/docs/network.md
+        description: Subnets, ports, SSH mesh
+        color: "#22d3ee"
+    - Disaster Recovery:
+        icon: mdi-backup-restore
+        href: http://atc-mgt01.dell-atc.lan:3001/mo/Lakehouse/src/branch/master/docs/disaster-recovery.md
+        description: Restore procedures from git
+        color: "#a855f7"
+    - Docker Inventory:
+        icon: mdi-docker
+        href: http://atc-mgt01.dell-atc.lan:3001/mo/Lakehouse/src/branch/master/docs/docker-inventory.md
+        description: Containers per host
+        color: "#2496ED"
+    - Proxmox VMs:
+        icon: mdi-server
+        href: http://atc-mgt01.dell-atc.lan:3001/mo/Lakehouse/src/branch/master/inventory/proxmox-vms.json
+        description: VM inventory (JSON)
+        color: "#E57000"
+
 - News & Resources:
     - Dell Technologies:
         icon: http://atc-docker01.dell-atc.lan:8080/dell-technologies.svg