Credits go to @uronly14me
Changes include
* Korean main file
* Replaced README.korean.md contents with README.md
- The language of README.korean.md was Chinese, Replaced README.korean.md contents with latest version of README.md
* Translated important part of main page
- Only translated title, and some contents of main page
* Fix typo in 'READ MORE'
* Translate 1.1 and 1.2 to Korean
* Fix 1.2 title
* Translate 1.3 and 1.4 to Korean
* Fix typo
* Translate 1.5 and 2.1 to Korean
* Translate 2.2 and 2.3 to Korean
* Fix typo and nuance of translations
* Translate 2.4, 2.5 and 2.6 to Korean
* Fix nuance of translations
* Translate rest of 2 to Korean
* Translate to 3.3
* Translate 3.3 again
* Translate to 3.7 and all TLDR/Otherwise things
* Translate 3.8 and 3.9 to Korean
* Fix typo and markdown syntax
* Translate rest of 3 and fix typo
* added Korean translation links to all READMEs
* removed temp directory
* re-added chinese translation
