Sortable - Simple
Each card is both a BdndDraggable and a BdndDropTarget. While
dragging, the OnHover handler compares the pointer against each card's
midpoint and reorders the list live. Reordering happens during hover, not on drop.
Write the docs
Review the PR
Ship the release
Celebrate
Sleep
Order: Write the docs, Review the PR, Ship the release, Celebrate, Sleep