security/crowdsec-firewall-bouncer: new port

Crowdsec bouncer written in golang for firewalls.

cs-firewall-bouncer will fetch new and old decisions from a CrowdSec API
to add them in a blocklist used by supported firewalls.

WWW: https://github.com/crowdsecurity/cs-firewall-bouncer
(cherry picked from commit 9ecdfbcdb55b424ca0df02b4a7fd72fc298cf9bf)