fix(translations): correct Korean translation (#2095)
fix(translations): correct Korean translation (#2095)

adapted following rules

boolean: '불리언' (ko wikipedia common)
default: '기본값'
argument: '인수' (parameter: '인자, 매개변수')
choices: '선택지'
given: '주어진'
missing: '주어지지 않은'  (the oppsite of given)
unknown: '알 수 없는'
invalid: '유효하지 않은'
version number: '버전'
mutually exclusive: '동시제 지정할 수 없-'
+ Added appropriate postpositions

Translating "deprecated" and "deprecated: %s" is out of my consideration as I couldn't describe them as no short sentences.
yargs/yargs,yargs/yargs,yargs/yargs