feat: implement CreateEditSkeleton loader component and replace Singl…#549

SerVitasik merged 4 commits intonextdevforth/adminforth:nextfrom

feature/AdminForth/1404/you've-made-new-loader-for-thedevforth/adminforth:feature/AdminForth/1404/you've-made-new-loader-for-theCopy head branch name to clipboard