add `rawTransformAsync` API reference #1730

Job	Run time
Install packages	16s
Run ESLint in library	44s
Run Prettier in library	37s
Build and publish library	31s
Run Vitest in library	40s
Run ESLint in packages/to-json-schema	25s
Run Prettier in packages/to-json-schema	20s
Run Vitest in packages/to-json-schema	20s
Run ESLint in website	25s
Run Prettier in website	50s
	5m 8s

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