Update README.md

docs: udpate

fix: previewer strict syntax

fix: study time comp bottom safe bottom

feat: add push message ability want

chore: clear cache and calc cahce

chore: remove mock data

fix: perfect HdList Component in api12

fix: perfect app theme in api12

chore: remove json-bigint har

chore: migrate API12

feat: chore add HdTab Component

docs: add desc

chore: chore version api 12

feat: shot