ctdb from home:j-engel:samba-stable project

需要 16.0 ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/home:j-engel:samba-stable/16.0/home:j-engel:samba-stable.repo
zypper refresh
zypper install ctdb

需要 15.6 ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/home:j-engel:samba-stable/15.6/home:j-engel:samba-stable.repo
zypper refresh
zypper install ctdb

需要 15.5 ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/home:j-engel:samba-stable/15.5/home:j-engel:samba-stable.repo
zypper refresh
zypper install ctdb