mht2htm from Office project

For openSUSE Tumbleweed run the following as root:

zypper addrepo https://download.opensuse.org/repositories/Office/openSUSE_Tumbleweed/Office.repo
zypper refresh
zypper install mht2htm

For 16.0 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/Office/16.0/Office.repo
zypper refresh
zypper install mht2htm

For openSUSE Leap 15.6 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/Office/openSUSE_Leap_15.6/Office.repo
zypper refresh
zypper install mht2htm