[Feature request] new layout

Hi Luca o/

I am looking for a layout to be used in the Revelation that preserves the most common positions of the windows (1, 2 and 3) and presenting the largest contents of the windows for easy identification.

    --        (1)                (2)                (3)
    --   +---+---+---+      +---+---+---+      +---+---+---+
    --   |           |      |     |     |      |     |  2  |
    --   |     1     |  ->  |  1  |  2  |  ->  |  1  +-----|  ->
    --   |           |      |     |     |      |     |  3  |
    --   +---+---+---+      +---+---+---+      +---+---+---+

    --        (4)                (5)                (6)
    --   +---+---+---+      +---+---+---+      +---+---+---+
    --   |  1  |  2  |      |  1  |  2  |      | 1 | 2 | 3 |
    --   +-----+-----+  ->  +---+---+---+  ->  +---+---+---+  ->
    --   |  4  |  3  |      | 5 | 4 | 3 |      | 6 | 5 | 4 |
    --   +---+---+---+      +---+---+---+      +---+---+---+
    
    --        (7)                (8)                (9)
    --   +---+---+---+      +---+---+---+      +---+---+---+
    --   |   | 2 | 5 |      |   | 3 | 6 |      | 1 | 4 | 7 |
    --   |   +---+---+      | 1 |---+---+      +---+---+---+
    --   | 1 | 3 | 6 |  ->  |---| 4 | 7 |  ->  | 2 | 5 | 8 |
    --   |   +---+---+      |   |---+---+      +---+---+---+
    --   |   | 4 | 7 |      | 2 | 5 | 8 |      | 3 | 6 | 9 |
    --   +---+---+---+      +---+---+---+      +---+---+---+

These positions I have no preference:

    --        (1)                (2)                (3)
    --   +---+---+---+      +---+---+---+      +---+---+---+
    --   |           |      |     |     |      |     |  2  |
    --   |     1     |  ->  |  1  |  2  |  ->  |  1  +-----|  ->
    --   |           |      |     |     |      |     |  3  |
    --   +---+---+---+      +---+---+---+      +---+---+---+

    --        (4)                (5)                (6)
    --   +---+---+---+      +---+---+---+      +---+---+---+
    --   |  1  |  2  |      |  ?  |  ?  |      | ? | ? | ? |
    --   +-----+-----+  ->  +---+---+---+  ->  +---+---+---+  ->
    --   |  4  |  3  |      | ? | ? | ? |      | ? | ? | ? |
    --   +---+---+---+      +---+---+---+      +---+---+---+
    
    --        (7)                (8)                (9)
    --   +---+---+---+      +---+---+---+      +---+---+---+
    --   |   | ? | ? |      |   | ? | ? |      | ? | ? | ? |
    --   |   +---+---+      | ? |---+---+      +---+---+---+
    --   | ? | ? | ? |  ->  |---| ? | ? |  ->  | ? | ? | ? |
    --   |   +---+---+      |   |---+---+      +---+---+---+
    --   |   | ? | ? |      | ? | ? | ? |      | ? | ? | ? |
    --   +---+---+---+      +---+---+---+      +---+---+---+

Best regards

The issue names no files, tests, or entry points. Start by reviewing the existing layout support in lain and the linked Revelation project, then compare behavior against the preferred diagrams; done means a new layout preserves the common window positions while maximizing visible content.