heimer from Education project

需要 openSUSE Tumbleweed ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/Education/openSUSE_Tumbleweed/Education.repo
zypper refresh
zypper install heimer

需要 15.6 ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/Education/15.6/Education.repo
zypper refresh
zypper install heimer

需要 15.5 ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/Education/15.5/Education.repo
zypper refresh
zypper install heimer

需要 15.4 ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/Education/15.4/Education.repo
zypper refresh
zypper install heimer

需要 15.3 ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/Education/15.3/Education.repo
zypper refresh
zypper install heimer

需要 SLE 15 SP4 ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/Education/SLE_15_SP4/Education.repo
zypper refresh
zypper install heimer