Merge branch 'main' of github.com:wenzi0github/handwriting-js

feat(hooks): add react hook, useSwitch

feat: add type (#8)

faet(arr): add remove duplicates (#6)

feat(hooks): add some hooks (#5)

feat(array): add flat in array (#4)

add last function in Promise (#3)

Feature/aa (#2)

Merge pull request #1 from wenzi0github/feature/aa

feat(object): add deep clone

refactor(array): forEach to for-each

feat(array): add foreach and reduce

first commit