Merge branch 'master' into feature/suggestions

# Conflicts:
#	packages/tiptap-extensions/package.json

packages/tiptap-extensions/src/index.js

@@ -1,6 +1,7 @@
 export { default as BlockquoteNode } from './nodes/Blockquote'
 export { default as BulletListNode } from './nodes/BulletList'
 export { default as CodeBlockNode } from './nodes/CodeBlock'
+export { default as CodeBlockHighlightNode } from './nodes/CodeBlockHighlight'
 export { default as HardBreakNode } from './nodes/HardBreak'
 export { default as HeadingNode } from './nodes/Heading'
 export { default as ImageNode } from './nodes/Image'