React ์˜ค๋ฅ˜ ์ฒ˜๋ฆฌ: ๊ธ€๋กœ๋ฒŒ ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜์„ ์œ„ํ•œ ์˜ค๋ฅ˜ ๊ฒฝ๊ณ„(Error Boundaries) ๋ฐ ๋ณต๊ตฌ ์ „๋žต | MLOG | MLOG