docs: transforms API

[besaleli]

Transforms docs!

[codecov-commenter]

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[codspeed-hq]

CodSpeed Performance Report

Merging #134 will not alter performance

_{Comparing docs/transform-docs (f2c5e9b) with main (2be28bb)}

Summary

✅ 20 untouched
⏩ 20 skipped¹

Footnotes

1. 20 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩

[angpt]

Specify a sample mask value here.

[besaleli]

@angpt The mask is going to look like a 2d matrix with a bunch of 1s and 0s. It's automatically provided by the transform engine as a parameter to the Postprocess function.