5.0.0

• f902763 Use ESM

  // From CommonJS
  var remarkHeadingGap = require('remark-heading-gap')
  
  // To ESM
  import remarkHeadingGap from 'remark-heading-gap'

  Learn more about ESM in this guide
• 1ac574f Add JSDoc based types
• c0c1f3e Remove warning for remark 12

Full Changelog: 4.0.0...5.0.0