htdig from server:search project

对于 openSUSE Tumbleweed，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/server:search/openSUSE_Tumbleweed/server:search.repo
zypper refresh
zypper install htdig

对于 openSUSE 13.1，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/server:search/openSUSE_13.1/server:search.repo
zypper refresh
zypper install htdig

对于 15.6，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/server:search/15.6/server:search.repo
zypper refresh
zypper install htdig

对于 15.5，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/server:search/15.5/server:search.repo
zypper refresh
zypper install htdig

对于 15.4，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/server:search/15.4/server:search.repo
zypper refresh
zypper install htdig

对于 SLE 15，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/server:search/SLE_15/server:search.repo
zypper refresh
zypper install htdig

对于 SLE 11 SP3，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/server:search/SLE_11_SP3/server:search.repo
zypper refresh
zypper install htdig