Merge pull request coreui#6 from coreui/dev-v2-beta-2

chore: dependencies cleanup

Merge pull request coreui#5 from coreui/dev-v2-beta-1

HeaderDropdown refactor

Merge pull request coreui#3 from coreui/fix-ps-overflow

fix(sidebar) ps position issue

closes coreui#2

fix: minor typos