This guide is from Atom and modified.

• Use the present tense ("Add feature" not "Added feature")
• Use the imperative mood ("Move cursor to..." not "Moves cursor to..."
• Limit the first line to 72 characters or less
• Reference issues and pull requests liberally after the first line
• Consider starting the commit message with and applicable emoji:
  • 🚀 :rocket: when implement new feature
  • 🎨 :art: when update design
  • 🏗️ :building_construction: when improving the format/structure of the code
  • 🐎 :racehorse: when improving performance
  • 🚱 :non-potable_water: when plugging memory leaks
  • 📝 :memo: when writing docs
  • 🐧 :penguin: when fixing something on Linux
  • 🍎 :apple: when fixing something on macOS
  • 🏁 :checkered_flag: when fixing something on Windows
  • 🐛 :bug: when fixing a bug
  • 🔥 :fire: when removing code or files
  • 💚 :green_heart: when fixing the CI build
  • ✅ :white_check_mark: when adding tests
  • 🔒 :lock: when dealing with security
  • ⬆️ :arrow_up: when upgrading dependencies
  • ⬇️ :arrow_down: when downgrading dependencies
  • 👕 :shirt: when removing linter warnings