Build a component that allows transferring items between two lists.

Requirements

• There are two lists each initially containing 4 items.
• Each item has a checkbox that can be checked/unchecked.
• Transferring
  • Clicking on the double arrow buttons will transfer all items from one list to the other, as specified by the direction of the arrows.
  • Clicking on the single arrow buttons will transfer only the selected items, as specified by the direction of the arrows.
  • Transferred items are added to the bottom of the destination list.
  • Item selection (checked) states are preserved after transferring.
  • Buttons are disabled if there are no relevant items to be transferred.