feat: add real-time activities tracked stat card#46

RaghavGanesh7 wants to merge 3 commits intoEshaan-byte:mainEshaan-byte/Carbon-Tracker:mainfrom

RaghavGanesh7:feature/activity-count-stat-cardRaghavGanesh7/Carbon-Tracker:feature/activity-count-stat-cardCopy head branch name to clipboard