feat: add ko-KR translation (#19)

feat: add support for Real-ESRGAN general models

chore: update Japanese translations

fix: a bug that causes the total number of files to be wrong

fix: surround enableShutdownPrivilege in preprocessor macro

fix: the issue of insufficient privileges to initiate shutdown

feat: update logging to use Video2X logging singleton

fix: the issue where failed tasks are removed from queue

feat: automatically set output codec to PNG for images

chore: fix typo in zh_CN translation

chore: mark all translations as completed

chore: update German translation by @Pete4K

fix: a bug that leads to incorrect persistent row index

chore: update translations with GPT-4o

chore: update translation files with new texts