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/ldap/setacl.ldif

@@ -0,0 +1,6 @@
+dn: olcDatabase={2}mdb,cn=config
+changetype: modify
+add: olcAccess
+olcAccess: {0}to attrs=userPassword,shadowLastChange by dn="cn=admin,dc=dell-atc,dc=lan" write by anonymous auth by self write by * none
+olcAccess: {1}to * by dn="cn=admin,dc=dell-atc,dc=lan" write by * read
+