code: def serve(path=None, host=None, port=None, user_content=False, context=None,
            username=None, password=None, render_offline=False,
            render_wide=False, render_inline=False, api_url=None, title=None,
            autorefresh=True, browser=False, quiet=None, grip_class=None):
      
      app = create_app(path, user_content, context, username, password,
                       render_offline, render_wide, render_inline, api_url,
                       title, None, autorefresh, quiet, grip_class)
      app.run(host, port, open_browser=browser)
docs: Starts a server to render the specified file or directory containing
      a README.