Kanban task management web app

These are the mentionable features:

View the optimal layout for the app depending on the device's screen size.

Create, read, update, and delete boards, columns, tasks and subtasks.

Deleting a Board will delete all columns, tasks and subtasks.

Deleting a Column will delete all tasks and subtasks.

Deleting a task will delete all subtasks.

User is warned about these actions that they cannot be reversed.

Mark subtasks as complete/incomplete.

Move tasks between columns via a dropdown .

Hide/show the board sidebar.

Toggle the theme between light/dark modes.

Changes are stored even after refreshing the browser