Addresses @ArindamOSS review comment from 2026-05-07: move BuyWhere from
end-of-list to alphabetical position (between Best Buy and Digi-Key),
and improve the description with country coverage (SG, MY, TH, VN, PH,
ID, US) to match the level of detail on neighboring entries.
Refs public-apis/public-apis#6001
Co-Authored-By: Claude <noreply@anthropic.com>
