Add anti-adblock-filters to default lists

[c727]

There are some sites (like https://stadt-bremerhaven.de/ but also international ones) that show a warning about using an adblocker elsewise. Maybe there's a better solution/list but this works for me

https://easylist-downloads.adblockplus.org/antiadblockfilters.txt

[uazo]

tracked by #251