I am a happy user of the mentioned wg-gen-web (https://github.com/vx3r/wg-gen-web), it helps enormously to manage WG profiles and most importantly sites only this.
Specifically it written not try to manage your firewall and whatnot (how to do that is explained, though).
Specifically it written not try to manage your firewall and whatnot (how to do that is explained, though).