Fix missing translations, spacing and etc. (#3)

* Translate image alt

* Translate language to 언어

* Fix wrong spacing

* Make more readable

* Fix wrong translation

* Change 명확한 to 명시적인

* Change Javascript to JavaScript and do not translate this word

* Change 기본 to 디폴트

* Add missing postposition

* Make more natural

* Make more natural

* Make more natural

* Make more natural

* Make more natural

* Make more natural

* Make more natural

* Make more natural

* Add original english word of abbreviations

* Make more natural

* Make more natural

* Make more natural

* Add word was missed while translate

* Make more natural

* Make more natural

* Add missing translation

* Make more natural

* Translate 'law of demeter'

* Add english word for clarifying the meaning

* Add missing quotes

* Make more natural

* Change 수신자 to 피호출자

Author: getogrand