fix(ads.js): Bring back ads.js for naive ad-blocker detection (#21461)
fix(ads.js): Bring back ads.js for naive ad-blocker detection (#21461)

This file was removed from the production package in #21411. See the Nginx 404 log over at https://forum.sentry.io/t/upgrading-from-9-12-10-0-0-v20-6-0/11428/13?u=byk

beeftornado/sentry,beeftornado/sentry,beeftornado/sentry