Show how long ago a task was created on the card

[anoopcodehack]

File: client/src/components/Board/TaskCard.jsx

createdAt exists in MongoDB but never shown on card.
Show "2 hours ago" or "3 days ago" at the bottom.

Fix: Write a simple timeAgo function:
const timeAgo = (date) => {
const diff = Date.now() - new Date(date)
const days = Math.floor(diff / 86400000)
return days === 0 ? "today" : ${days}d ago
}
~8 lines, no package needed!