[react-interactions] Add experimental FocusGrid API #16766
Merged
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This adds an experimental focus grid API that creates three linked components:
When keyboard arrows are pressed, the correct cell is automatically selected and its first focusable element is focused accordingly – providing directional navigation through grid based interfaces. It can also be used on a list, where there is only one cell per row.
I plan on adding up follow ups that validate they are nested in the correct orders. I also plan on adding Columns, which can take multiple Rows.