docs(translation) improved Korean translation (KR) (anuraghazra#679)

* [change] contents with better translation

Changed the content that seemed to fit better.

* [change] readme version to latest
- translate partially

* [translate] github stats part partially

* [translate] before github extra pin

* [translate] before wakatime week stats

* [finished] translation

* [refine] sentences

* docs: fix issues link

Co-authored-by: Anurag Hazra <hazru.anurag@gmail.com>