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/openssh.ldif

@@ -0,0 +1,11 @@
+dn: cn=openssh-lpk-openldap,cn=schema,cn=config
+objectClass: olcSchemaConfig
+cn: openssh-lpk-openldap
+olcAttributeTypes: ( 1.3.6.1.4.1.24552.500.1.1.1.13 NAME 'sshPublicKey'
+ DESC 'MANDATORY: OpenSSH Public key'
+ EQUALITY octetStringMatch SYNTAX 1.3.6.1.4.1.1466.115.121.1.40 )
+olcObjectClasses: ( 1.3.6.1.4.1.24552.500.1.1.2.0 NAME 'ldapPublicKey'
+ DESC 'MANDATORY: OpenSSH LPK objectclass'
+ SUP top AUXILIARY MUST ( sshPublicKey ) )
+
+