Add Polybar battery indicator and brightness ramp

.config/polybar/config

@@ -56,8 +56,8 @@ padding-right = 0
 module-margin-left = 2
 
 modules-left = workspaces
-modules-center = mprisdisplay
-modules-right = networkspeed archupdates cpu temp date backlight volume
+modules-center = mprisdisplay date
+modules-right = networkspeed archupdates cpu temp backlight volume battery
 ; do not use offsets for the bar, would only work with override-redirect
 ; and will mess up tray https://github.com/polybar/polybar/issues/1355
 tray-position = right
@@ -251,6 +251,24 @@ ramp-volume-3 = 墳
 
 [module/backlight]
 type = internal/xbacklight
-format = <label>
+format = <ramp><label>
+ramp-0 = 
+ramp-1 = 
+ramp-2 = 
+ramp-3 = 
+ramp-4 = 
 
+[module/battery]
+type = internal/battery
+battery = BAT0
+adapter = AC
+label-charging =  %percentage%%
+label-discharging = %percentage%%
+format-discharging = <ramp-capacity> <label-discharging>
+format-charging = <label-charging>
+ramp-capacity-0 = 
+ramp-capacity-1 = 
+ramp-capacity-2 = 
+ramp-capacity-3 = 
+ramp-capacity-4 = 
 ; vim:ft=dosini