libnftnl from home:garloff project

需要 CentOS 8 ，用 root 執行：

cd /etc/yum.repos.d/
wget https://download.opensuse.org/repositories/home:garloff/CentOS_8/home:garloff.repo
yum install libnftnl

需要 openSUSE Tumbleweed ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/home:garloff/openSUSE_Tumbleweed/home:garloff.repo
zypper refresh
zypper install libnftnl

需要 openSUSE Factory RISCV ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/home:garloff/openSUSE_Factory_RISCV/home:garloff.repo
zypper refresh
zypper install libnftnl

需要 openSUSE Factory ARM ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/home:garloff/openSUSE_Factory_ARM/home:garloff.repo
zypper refresh
zypper install libnftnl

需要 openSUSE Factory ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/home:garloff/openSUSE_Factory/home:garloff.repo
zypper refresh
zypper install libnftnl

需要 16.0 ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/home:garloff/16.0/home:garloff.repo
zypper refresh
zypper install libnftnl

需要 15.7 ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/home:garloff/15.7/home:garloff.repo
zypper refresh
zypper install libnftnl

需要 15.6 ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/home:garloff/15.6/home:garloff.repo
zypper refresh
zypper install libnftnl