v0.9.0

• Fix syntax highlighting of empty comments (#276)
• Fix syntax highlighting of floating attributes (#281)
• Improve highlighting of external declarations (#282)
• Highlight unprefixed opam files (#284)
• Fix syntax highlighting of module type of (#285)
• Fix syntax highlighting of module constraints (#286)
• Fix syntax highlighting of lazy bindings (#287)
• Add syntax highlighting for new ocamlformat values: after-when-possible, before-except-val, and unset (#288)
• Fix Reason syntax highlighting of binding operators (#291)
• Fix Reason syntax highlighting of type extensions (#292)
• Improve syntax highlighting of OCaml comments that contain strings (#289)
• Fix Reason syntax highlighting of recursive modules (#295)
• Improve automatic indentation of parentheses (#308)