Implement Alert Box for Confirming Task Deletion

[Yash7426]

The current task deletion process lacks a confirmation mechanism, potentially leading to accidental deletion of tasks and user frustration. To mitigate this risk, contributors are tasked with implementing an alert box to confirm task deletion actions. This alert box should provide users with a clear prompt to confirm or cancel the deletion before proceeding.

To implement the alert box for confirming task deletion, contributors can either utilize JavaScript's window object or create a custom modal component in React.

Remember to submit the screenshots/video along with the PR.

[piyushkumar079]

@Yash7426 please assign me this issue