abseil-cpp from home:alvistack project

对于 CentOS 9 Stream，请以根用户 root 运行下面命令：

cd /etc/yum.repos.d/
wget https://download.opensuse.org/repositories/home:alvistack/CentOS_9_Stream/home:alvistack.repo
yum install abseil-cpp

对于 CentOS 8 Stream，请以根用户 root 运行下面命令：

cd /etc/yum.repos.d/
wget https://download.opensuse.org/repositories/home:alvistack/CentOS_8_Stream/home:alvistack.repo
yum install abseil-cpp

对于 CentOS 7，请以根用户 root 运行下面命令：

cd /etc/yum.repos.d/
wget https://download.opensuse.org/repositories/home:alvistack/CentOS_7/home:alvistack.repo
yum install abseil-cpp

对于 CentOS 10 Stream，请以根用户 root 运行下面命令：

cd /etc/yum.repos.d/
wget https://download.opensuse.org/repositories/home:alvistack/CentOS_10_Stream/home:alvistack.repo
yum install abseil-cpp

对于 Fedora 43，请以根用户 root 运行下面命令：

dnf config-manager addrepo --from-repofile=https://download.opensuse.org/repositories/home:alvistack/Fedora_43/home:alvistack.repo
dnf install abseil-cpp

对于 Fedora 42，请以根用户 root 运行下面命令：

dnf config-manager addrepo --from-repofile=https://download.opensuse.org/repositories/home:alvistack/Fedora_42/home:alvistack.repo
dnf install abseil-cpp

对于 openSUSE Leap 15.6，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/home:alvistack/openSUSE_Leap_15.6/home:alvistack.repo
zypper refresh
zypper install abseil-cpp