[Feature Request] Inner Gaps & Outer Gaps would be better if it was customizable for left-right-top-bottom sides.

It would be really nice if the Tiling Shell Gnome extension allowed users to customize the margins for Inner Gaps & Outer Gaps individually for each side (left, right, top, and bottom). Currently, the extension only supports setting a uniform value for all sides.


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What I'd like is the ability to set specific values for each side individually, like this:

### Inner Gaps
- Inner gaps left: 12
- Inner gaps right: 12
- Inner gaps bottom: 2
- Inner gaps top: 2

### Outer Gaps
- Outer gaps left: 10
- Outer gaps right: 10
- Outer gaps bottom: 4
- Outer gaps top: 4

This would provide much more flexibility in configuring the layout to suit different screen setups and personal preferences. Because without this feature, it feels a bit restrictive to make the placement design of the windows.