weighttp from server:http project

需要 openSUSE Tumbleweed ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/server:http/openSUSE_Tumbleweed/server:http.repo
zypper refresh
zypper install weighttp

需要 15.7 ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/server:http/15.7/server:http.repo
zypper refresh
zypper install weighttp

需要 15.6 ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/server:http/15.6/server:http.repo
zypper refresh
zypper install weighttp