v5.4.0

What's Changed

• docs: update section title in README.md by @skyf0xx in #257
• fix: capitalization in HEDGEHOG section header by @skyf0xx in #258
• fix: capitalization in README heading by @skyf0xx in #259
• docs: add simplified Chinese README by @skyf0xx in #260
• docs: trim hedgehog-contributing skill, bump to 5.4.0, automate version bumps by @skyf0xx in #261

Full Changelog: v5.3.4...v5.4.0