Updating self-managed style

doc/administration/admin_area.md

doc/administration/appearance.md

doc/administration/cicd/compute_minutes.md

doc/administration/clusters/kas.md

doc/administration/get_started.md

doc/administration/gitaly/bundle_uris.md

doc/administration/gitaly/configure_gitaly.md

doc/administration/gitaly/troubleshooting.md

doc/administration/instance_limits.md

doc/administration/integration/diagrams_net.md

doc/administration/integration/terminal.md

doc/administration/lfs/index.md

...stration/packages/container_registry_metadata_database.md

doc/administration/reporting/spamcheck.md

doc/administration/self_hosted_models/index.md

doc/administration/settings/account_and_limit_settings.md

doc/administration/settings/import_and_export_settings.md

...administration/settings/jira_cloud_app_troubleshooting.md

doc/administration/settings/scim_setup.md

doc/administration/settings/slack_app.md