message: add blackfire to mkdocs
diff: @@ -70,6 +70,7 @@ nav:
  - Environment Idling: using-lagoon-advanced/environment-idling.md
  - Custom Tasks: using-lagoon-advanced/custom-tasks.md
  - DeployTarget Configs: using-lagoon-advanced/deploytarget-configs.md
  + - Blackfire: using-lagoon-advanced/blackfire.md
  - Installing Lagoon:
  - Requirements: installing-lagoon/requirements.md
  - Install Lagoon Core: installing-lagoon/lagoon-core.md
  