GitLab Next

- Moves /source/handbook/engineering, /source/handbook/marketing, and /source/handbook/index.html.md
  under /sites/handbook/source/handbook
- See #6689

Update source/handbook/engineering/security/guidance/BU.1.01_backup_configuration.html.md, source/handbook/engineering/security/guidance/BU.1.02_resilience_testing.html.md, source/handbook/engineering/security/guidance/CFG.1.01_baseline_configuration_standard.html.md, source/handbook/engineering/security/guidance/CFG.1.03_configuration_checks.html.md, source/handbook/engineering/security/guidance/CFG.1.04_configuration_check_reconciliation.html.md, source/handbook/engineering/security/guidance/CFG.1.07_default_device_passwords.html.md, source/handbook/engineering/security/guidance/CM.1.01_change_management_workflow.html.md, source/handbook/engineering/security/guidance/CM.1.02_change_approval.html.md files

Update source/handbook/engineering/security/guidance/IAM.2.02_password_authentication.html.md, source/handbook/engineering/security/guidance/BU.1.02_resilience_testing.html.md, source/handbook/engineering/security/guidance/CFG.1.04_configuration_check_reconciliation.html.md, source/handbook/engineering/security/guidance/CM.1.01_change_management_workflow.html.md, source/handbook/engineering/security/guidance/DM.7.01_secure_disposal_of_media.html.md, source/handbook/engineering/security/guidance/IAM.1.02_logical_access_deprovisioning.html.md, source/handbook/engineering/security/guidance/IR.2.01_external_communication_of_incidents.html.md, source/handbook/engineering/security/guidance/IR.2.03_incident_external_communication.html.md, source/handbook/engineering/security/guidance/RM.2.01_internal_audits.html.md, source/handbook/engineering/security/guidance/RM.1.04_service_risk_rating_assignment.html.md, source/handbook/engineering/security/guidance/RM.1.02_continuous_monitoring.html.md, source/handbook/engineering/security/guidance/SYS.1.06_log_reconciliation_cmdb.html.md, source/handbook/engineering/security/guidance/CFG.1.01_baseline_configuration_standard.html.md, source/handbook/engineering/security/guidance/SYS.2.07_system_security_monitoring.html.md, source/handbook/engineering/security/guidance/SYS.2.01_security_monitoring_alert_criteria.html.md, source/handbook/engineering/security/guidance/RM.3.01_remediation_tracking.html.md, source/handbook/engineering/security/guidance/RM.1.01_risk_assessment.html.md files

Fix #4341

`con.` is a reserved MS-DOS device