docs(useImportType): add caveat section

[Conaclos]

Summary

Address this comment

Test Plan

CI should pass.

[netlify]

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[codspeed-hq]

CodSpeed Performance Report

Merging #2444 will not alter performance

_{Comparing conaclos/useImportType/add-caveat-section (df40581) with main (58c4b0a)}

Summary

✅ 93 untouched benchmarks