Setup: ESlint

[Hikari7]

Background

close: #11

Changes

• Install eslint
  • downloaded the latest version which has flat config system since the older version will be unrecommended :(
  • you might need to version up to Node.js 17 but let me know if we need to downgrade eslint ne 🙆
• Disable react/react-in-jsx-scop for now

Notes

• ref: https://zenn.dev/yookunka/articles/e054e65e63d403, https://zenn.dev/makotot/articles/0d9184f3dde858