firewalld from home:memex.team:archdevops:system project

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For openSUSE Leap 15.3 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:memex.team:archdevops:system/openSUSE_Leap_15.3/home:memex.team:archdevops:system.repo
zypper refresh
zypper install firewalld