[ko] Translate docs/reference/glossary/contributor.md

[MK513]

This is a Feature Request
Translate docs/reference/glossary/contributor.md in Korean

What would you like to be added

Translate docs/reference/glossary/contributor.md in Korean

Why is this needed
This file is not translated yet.

This is a...

• Feature Request
• Bug Report

Problem:

Proposed Solution:

Page to Update:
https://kubernetes.io/...