Add npm publishing support for dual JSR and npm distribution#237

takker99 merged 9 commits intomaintakker99/scrapbox-userscript-std:mainfrom

copilot/fix-6ec0a2ff-f2ad-42c5-b65e-98e76f6953detakker99/scrapbox-userscript-std:copilot/fix-6ec0a2ff-f2ad-42c5-b65e-98e76f6953deCopy head branch name to clipboard