New ESLint Configuration

[dotoleeoak]

Describe the problem and solution

ESLint 9.0.0부터 default로 지정되는 새로운 config(eslint.config.js)를 설정합니다. https://eslint.org/docs/latest/use/configure/configuration-files-new

Validations

• [X] Follow our Code of Conduct
• [X] Read the Contributing Guidelines
• [X] Check that there isn't already an issue

[jimin9038]

Changed the connected Notion task status to not-started

TAS-490 New ESLint Configuration