Added os-release as an option for distroname

lgsm/functions/info_distro.sh

@@ -15,6 +15,8 @@ arch=$(uname -m)
 kernel=$(uname -r)
 if [ -n "$(command -v lsb_release)" ]; then
 	distroname=$(lsb_release -s -d)
+elif [ -f "/etc/os-release" ]; then
+	distroname=$(grep PRETTY_NAME /etc/os-release | sed 's/PRETTY_NAME=//g' | tr -d '="')
 elif [ -f "/etc/debian_version" ]; then
 	distroname="Debian $(cat /etc/debian_version)"
 elif [ -f "/etc/redhat-release" ]; then