Show client conf as QR Code after install

Fix #49

wireguard-install.sh

@@ -86,23 +86,23 @@ if [[ "$OS" = 'ubuntu' ]]; then
     add-apt-repository ppa:wireguard/wireguard
     apt-get update
     apt-get install "linux-headers-$(uname -r)"
-    apt-get install wireguard iptables resolvconf
+    apt-get install wireguard iptables resolvconf qrencode
 elif [[ "$OS" = 'debian' ]]; then
     echo "deb http://deb.debian.org/debian/ unstable main" > /etc/apt/sources.list.d/unstable.list
     printf 'Package: *\nPin: release a=unstable\nPin-Priority: 90\n' > /etc/apt/preferences.d/limit-unstable
     apt update
     apt-get install "linux-headers-$(uname -r)"
-    apt install wireguard iptables resolvconf
+    apt install wireguard iptables resolvconf qrencode
 elif [[ "$OS" = 'fedora' ]]; then
     dnf copr enable jdoss/wireguard
-    dnf install wireguard-dkms wireguard-tools iptables
+    dnf install wireguard-dkms wireguard-tools iptables qrencode
 elif [[ "$OS" = 'centos' ]]; then
     curl -Lo /etc/yum.repos.d/wireguard.repo https://copr.fedorainfracloud.org/coprs/jdoss/wireguard/repo/epel-7/jdoss-wireguard-epel-7.repo
     yum install epel-release
-    yum install wireguard-dkms wireguard-tools iptables
+    yum install wireguard-dkms wireguard-tools iptables qrencode
 elif [[ "$OS" = 'arch' ]]; then
     pacman -S linux-headers
-    pacman -S wireguard-tools iptables wireguard-arch
+    pacman -S wireguard-tools iptables wireguard-arch qrencode
 fi
 
 # Make sure the directory exists (this does not seem the be the case on fedora)
@@ -160,3 +160,7 @@ sysctl --system
 
 systemctl start "wg-quick@$SERVER_WG_NIC"
 systemctl enable "wg-quick@$SERVER_WG_NIC"
+
+echo "Here is your client config file as a QR Code:"
+
+qrencode -t ansiutf8 -l L < "$HOME/$SERVER_WG_NIC-client.conf"