.vscode setting 도입.

**Is your feature request related to a problem? Please describe.**
A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
현재 작업툴을 모두 vscode로 통일 한 상태에서 통합된 setting이 존재해야한다고 생각. 따라서 파일을 추가적으로 도입해서 이후에 새로 작업하는 작업자에게도 기존의 setting파일을 제공하여 편한 작업을 보장.

**Describe the solution you'd like**
A clear and concise description of what you want to happen.

**Describe alternatives you've considered**
A clear and concise description of any alternative solutions or features you've considered.

**Additional context**
Add any other context or screenshots about the feature request here.

Look for existing .vscode directory or settings files in the repository. Research common VSCode settings for JavaScript projects, such as recommended extensions, workspace settings, or debug configurations. The goal is to create a .vscode/settings.json file that standardizes the development environment for future contributors.

Escrito por el modelo de indexación a partir del texto del issue.