* Translate - 1-4connect-internet * Translate - 1-4 connect-internet * translate lesson 1-4 * word refactoring * word refactoring * modified link * Korean translation * Korean translation * korean translation * modified sentence * korean translation * korean translation - pedagogy, hardware * Create README.ko.md * Update README.ko.md * Update README.md * Delete README.ko.md * Delete README.ko.md * Delete pi-speech-to-text.ko.md * Delete assignment.ko.md * Update README.ko.md Co-authored-by: eomhojeong <ehj0819101@gmail.com> Co-authored-by: Jim Bennett <jim.bennett@microsoft.com> Co-authored-by: jhYun505 <y_jh0505@naver.com>