Release 1.2.0

Changes

• Added an autocomplete extension (ff92906)
• Added a scroll 1 line up/down command (not on MacOS) (9f9da7a)
• Added a showInvisibles extension (1c31b35)
• Bumped prism-code-editor dependency to version 3.4.0 (5c17f49)

Fixes and improvements

• Fixed some commands in the defaultCommands extension not calling preventDefault (fc594d4)
• Made drag and drop a single undo action (f4b1f5f)
• Brackets and tags With different parent tokens can now be matched together (4a175dd)