added MAC custom info

added function that will pull and display MAC address

neofetch

@@ -3923,6 +3923,11 @@ get_public_ip() {
     fi
 }
 
+get_hwaddr() {
+    hwaddr="$(ip route get 1 | awk '{print $5}')"
+    hwaddr="$(ip link show dev "$hwaddr" | awk '/ether/ {print $2}')"
+}
+
 get_users() {
     users="$(who | awk '!seen[$1]++ {printf $1 ", "}')"
     users="${users%\,*}"