broaden URL pattern to also catch bundle and sub agechecks

on second thought, changing it back to a year. I think that's a good middle ground

verification age changed to 25 years old, should be old enough for anything. cookies changed from 10 years to 1 month so the script doesn't linger forever after you uninstall it. changed community bypass for the new design, bypasses more mature content warnings

small fix that basically makes no difference

future-proof solution that'll work in Firefox with CSP if Steam ever ends up deploying that

bringing the code into the 22nd century