feat: added question description

feat: added kanban & polling widget problems

feat: added JSON stringify implementation

feat: day calendar UI completed with overlaps

feat: added change for event rendering

feat: added calendar layout

chore: remove comments

feat: added user activities

feat: initial socket communication done

feat: added express backend

feat: mark as important done

feat: mail read, unread, content

Merge branch 'main' of https://github.com/Jaynil1611/Vanilla-JS-Practice

feat: mail listing completed

feat: added client side routing