feat: add rofi-based power menu and power mode menu scripts with custom styles;

feat: enhance screen recorder with merge functionality and duration tracking;
refactor: update swaync configuration with new power menu buttons and toggle actions;
fix: remove desktop cache option since it screwed up my app history;
refactor: update swaync styling with new button variables and border styles;

rofi/scripts/dmenu_powermenu.sh

@@ -0,0 +1,24 @@
+#!/bin/sh
+
+mode=$(echo -e "󰤄\n⏻\n" | rofi \
+    -modes drun,run,calc \
+    -dmenu -p "Power menu" \
+    -theme "$HOME/.config/rofi/styles/style-powermenu.rasi" \
+    -markup-rows \
+    -drun-use-desktop-cache \
+)
+
+case "$mode" in
+    "󰤄")
+        systemctl suspend
+        ;;
+    "⏻")
+        systemctl poweroff
+        ;;
+    "")
+        systemctl reboot
+        ;;
+    *)
+        exit 0
+        ;;
+esac