v6.31.0

Version 6.31.0

📘 Tests & Docs

• adding a code of conduct (b00b1f5)

✨ New & Improved

• add dark option for code blocks (#284) (885b844)

🛠 Fixes & Updates

• deps: bumping @readme/syntax-highlighter and @readme/variable (#308) (36aca90)
• deps: bumping syntax-highlighter to support graphql (#309) (c38ba00), closes #173
• package updates (#316) (8740f2f)