- Introduced `DndKitDropTargetIdSeparator.ts` to define a constant for separating droppable IDs in drag-and-drop functionality.
- Added `getDndKitDropTargetId.ts` to generate a unique drop target ID using the droppable ID and index.
- Created `parseDropTargetIdToDestination.ts` to parse the drop target ID back into its components, returning the droppable ID and index or null if invalid.