Add OpenSUSE support (#4)

README.md

@@ -16,6 +16,7 @@ Supported distributions:
 - CentOS Stream >= 8
 - Debian >= 11
 - Fedora >= 32
+- OpenSUSE
 - Oracle Linux
 - Rocky Linux >= 8
 - Ubuntu >= 18.04

wireguard-install.sh

@@ -61,8 +61,10 @@ function checkOS() {
 		OS=oracle
 	elif [[ -e /etc/arch-release ]]; then
 		OS=arch
+	elif [[ -e /etc/SUSE-brand ]]; then
+		OS=opensuse
 	else
-		echo "Looks like you aren't running this installer on a Debian, Ubuntu, Fedora, CentOS, AlmaLinux, Oracle or Arch Linux system"
+		echo "Looks like you aren't running this installer on a Debian, Ubuntu, Fedora, CentOS, AlmaLinux, Oracle, OpenSUSE or Arch Linux system"
 		exit 1
 	fi
 }
@@ -209,6 +211,8 @@ function installWireGuard() {
 		dnf install -y wireguard-tools qrencode iptables
 	elif [[ ${OS} == 'arch' ]]; then
 		pacman -S --needed --noconfirm wireguard-tools qrencode
+	elif [[ ${OS} == 'opensuse' ]]; then
+		zypper install -y wireguard-tools qrencode
 	fi
 
 	# Make sure the directory exists (this does not seem the be the case on fedora)