v0.15.6

• add support for remark and rehype plugins to @mdx-js/runtime

  <MDX
    components={components}
    mdPlugins={[slug, autolinkHeadings]}
    hastPlugins={[[addClasses, { h1: 'title' }]]}
    children="# Hello world!"
  />

• Formidable released spectacle-boilerplate-mdx!

• fix bug where a semicolon would break an export default statement (#277)