Extract help output from cf-check for rendering in docs
Extract help output from cf-check for rendering in docs

Ticket: CFE-3158
Changelog: None

cfengine/documentation-generator,nickanderson/documentation-generator,cfengine/documentation-generator,cfengine/documentation-generator,cfengine/documentation-generator,nickanderson/documentation-generator,nickanderson/documentation-generator,nickanderson/documentation-generator,nickanderson/documentation-generator,cfengine/documentation-generator