initial refactor presenter to erb
initial markdown rendering
formatting nested keys correctly
rename HtmlPresenter to BasePresenter
added to_markdown spec to endpoint and service presenter
renamed html_presenter to base_presenter
add forwardable in meta_service and service presenters, added relative_service_path for markdwon, added meta_service markdown erb
added a spec for relative_meta_service_path
added spec for meta_service_presenter, fixed relative_service_path
use shared examples for testing markdown output in cli.spec
add convert options to README