Add [tmux-plugins#101](tmux-plugins#101)

Author: slange-dev

scripts/battery_percentage.sh

@@ -13,7 +13,7 @@ print_battery_percentage() {
 			echo $(cat $(find /sys/class/power_supply/*/capacity | tail -n1))%
 		fi
 	elif command_exists "pmset"; then
-		pmset -g batt | grep -o "[0-9]\{1,3\}%"
+		pmset -g batt | grep --color=never -o "[0-9]\{1,3\}%"
 	elif command_exists "acpi"; then
 		acpi -b | grep -m 1 -Eo "[0-9]+%"
 	elif command_exists "upower"; then