As a student, I want to add a task to the work period list, so that I can track each work session with a specific task. Sprint 3.

[maisoonrahman]

• [x] Provide an interface for users to input or select tasks to add to the work period list.
• [x] Automatically add new tasks to the top of the list.
• [x] Ensure that each task corresponds to a set timer session.
• [x] Update the list in real-time to reflect the addition of new tasks.

[Asyaakkusss]

caio pls beautify this stuff.