chore: ignore release tarballs

docs(agents): note npm OTP flow

fix(browser): make attachment clicks trusted

chore(release): 0.8.1

chore(release): exclude .DS_Store from npm

docs(changelog): fold unreleased into 0.7.6

chore(release): v0.7.5

docs: finalize 0.7.4 changelog

docs(release): note npm publish token flow

chore(release): 0.7.2