rofi powermenu + themes, polybar amd_gpu module, nvim icon fix mason, add powermenu on i3

.config/rofi/scripts/powermenu.sh

@@ -0,0 +1,28 @@
+#! /usr/bin/env bash
+OPTIONS="Suspend\nLock\nReboot\nPower-off\nExit i3\n"
+
+LAUNCHER="rofi -dmenu -i -p Power"
+LOCKER="betterlockscreen -l"
+
+option=$(echo -e "$OPTIONS" | $LAUNCHER | awk '{print $1}' | tr -d '\r\n') 
+
+if [ ${#option} -gt 0 ]
+then
+    case $option in
+        Suspend)
+           $LOCKER ;systemctl suspend
+            ;; 
+        Reboot)
+            systemctl reboot
+            ;;
+        Lock)
+            $LOCKER
+            ;;
+        Power-off)
+            systemctl poweroff
+            ;;
+        Exit)
+            eval exit i3
+            ;;
+    esac
+fi