Korean guide document translation error

# Request bug fix

## Bug Summary

<img width="1624" height="970" alt="Image" src="https://github.com/user-attachments/assets/24f9a983-ec80-4191-908a-6d47f874e3c2" />

indexing error at `fastkit init --interactive` description

<https://bnbong.github.io/FastAPI-fastkit/ko/#_12>

## Bug status

language typo, documents

