adding new battery status "Not charging" and documentation on the nerdfont icons

Author: Theoreticallyhugo

docs/CONFIG.md

@@ -188,6 +188,14 @@ which will display the battery charge and whether its charging (or just drawing
 set -g @dracula-battery-label false
 set -g @dracula-show-battery-status true
 ```
+these settings will introduce the following icons:
+- the battery is discharging and at the current level: 󰂎 󰁺 󰁻 󰁼 󰁽 󰁾 󰁿 󰂀 󰂁 󰂂 󰁹
+- the battery is charging and at the current level: 󰢟 󰢜 󰂆 󰂇 󰂈 󰢝 󰂉 󰢞 󰂊 󰂋 󰂅
+- power is being drawn from AC, but the battery is neither charging nor discharging: 
+- we were able to determine that the battery is charging/ discharging, but something about the percentage went wrong: 󰂃
+- we don't know the status of the battery: 
+
+
 
 if you have no battery and would like the widget to hide in that case, set the following:
 

scripts/battery.sh

@@ -126,7 +126,7 @@ battery_status()
       )
       echo "${battery_labels[$((bat_perc/10*10))]:-󰂃}"
       ;;
-    ACattached)
+    "ACattached"|"Not charging")
       # drawing from AC but not charging
       echo ''
       ;;