v4.0.0

🌟 features

• feature: support sub modules (#6)

📖 documentation

• doc(workflow): simplify the pull request template checklist
• bugfix(legal): happy 2020

🔧 maintenance

• 🚨BREAKING CHANGE: build(npm): de-support node 8 & 11
• build(npm): ⬆️ eslint, eslint-config-moving-meadow, eslint-config-prettier, eslint-plugin-budapestian, eslint-plugin-import, eslint-plugin-jest, eslint-plugin-mocha, eslint-plugin-unicorn, jest, prettier, semver, upem
• chore(ci): master -> main
• refactor(*): apply new lint rule set up and lint fix on new rules (#5)
• ci(gh-actions): set up (#2, #4)