ois from home:ykoba project

For openSUSE Tumbleweed run the following as root:

zypper addrepo https://download.opensuse.org/repositories/home:ykoba/openSUSE_Tumbleweed/home:ykoba.repo
zypper refresh
zypper install ois

For 15.6 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/home:ykoba/15.6/home:ykoba.repo
zypper refresh
zypper install ois

For 15.5 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/home:ykoba/15.5/home:ykoba.repo
zypper refresh
zypper install ois

For 15.4 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/home:ykoba/15.4/home:ykoba.repo
zypper refresh
zypper install ois