Implement `GeneralRoundedRectangle` `contains()` and `intersects()` methods#9

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karlvr wants to merge 3 commits intovioletlib:masterfrom

karlvr:fix/general-round-rectangle

Commits on Mar 17, 2026

Implement contains() and intersects() for GeneralRoundRectangle
karlvr
committed
Add unit tests for GeneralRoundRectangle contains and intersects
karlvr
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Fix intersects for shapes with mixed sharp and rounded corners
karlvr
committed