feat: add ListLayout

[mhk197]

Adds a layout that shreds apart List child arrays.

[codspeed-hq]

Merging this PR will not alter performance

⚠️ Unknown Walltime execution environment detected

Using the Walltime instrument on standard Hosted Runners will lead to inconsistent data.

For the most accurate results, we recommend using CodSpeed Macro Runners: bare-metal machines fine-tuned for performance measurement consistency.

✅ 1266 untouched benchmarks

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_{Comparing mk/add-list-layout (5221e68) with develop (e065c33)}