spice-up from X11:Pantheon:Apps project

For openSUSE Factory run the following as root:

zypper addrepo https://download.opensuse.org/repositories/X11:Pantheon:Apps/openSUSE_Factory/X11:Pantheon:Apps.repo
zypper refresh
zypper install spice-up

For 15.6 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/X11:Pantheon:Apps/15.6/X11:Pantheon:Apps.repo
zypper refresh
zypper install spice-up

For 16.0 run the following as root:

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