hello_world from home:awerner project

For standard run the following as root:

zypper addrepo https://download.opensuse.org/repositories/home:awerner/standard/home:awerner.repo
zypper refresh
zypper install hello_world

For 15.6 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/home:awerner/15.6/home:awerner.repo
zypper refresh
zypper install hello_world

For openSUSE Leap 15.6 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/home:awerner/openSUSE_Leap_15.6/home:awerner.repo
zypper refresh
zypper install hello_world