cosmic-ext-extra-sessions from home:nomispaz project

对于 Arch Linux，请编辑 /etc/pacman.conf 并添加以下内容（注意 pacman.conf 中的软件源顺序是很重要的，因为 pacman 总是会下载第一个找到的软件包）：

[home_nomispaz_Arch]
Server = https://download.opensuse.org/repositories/home:/nomispaz/Arch/$arch

然后以 root 身份运行以下命令

key=$(curl -fsSL https://download.opensuse.org/repositories/home:nomispaz/Arch/$(uname -m)/home_nomispaz_Arch.key)
fingerprint=$(gpg --quiet --with-colons --import-options show-only --import --fingerprint <<< "${key}" | awk -F: '$1 == "fpr" { print $10 }')

pacman-key --init
pacman-key --add - <<< "${key}"
pacman-key --lsign-key "${fingerprint}"

pacman -Sy home_nomispaz_Arch/cosmic-ext-extra-sessions

对于 Fedora Rawhide，请以根用户 root 运行下面命令：

dnf config-manager addrepo --from-repofile=https://download.opensuse.org/repositories/home:nomispaz/Fedora_Rawhide/home:nomispaz.repo
dnf install cosmic-ext-extra-sessions

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:nomispaz/Fedora_43/home:nomispaz.repo
dnf install cosmic-ext-extra-sessions

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

zypper addrepo https://download.opensuse.org/repositories/home:nomispaz/openSUSE_Tumbleweed/home:nomispaz.repo
zypper refresh
zypper install cosmic-ext-extra-sessions