Update beginWork.md

build(deps-dev): bump prismjs from 1.29.0 to 1.30.0

build(deps-dev): bump nanoid from 3.3.7 to 3.3.8

build(deps-dev): bump elliptic from 6.5.4 to 6.6.1

build(deps-dev): bump cross-spawn from 6.0.5 to 6.0.6

补充最终effectList链表例子

Update update.md

fix(): 修复单词拼写错误

fix: 前后语序一致

Update fiber.md