Feature Request: vertical stack layout

Would be great Vertical Stack layout:

Vertical Stack (Tile)
where the master window fill a large space either left or right and the rest of
the windows is stacked on the other side,

The issue does not identify any files, tests, or entry points. Start by reading the existing tiling-layout implementations and their tests, then determine how a master window and the remaining windows are positioned. Done means a vertical stack layout is available with the master area on either the left or right and the other windows stacked beside it.

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