Improve i3 configs

+ Use `pulsemixer` for audion volume control
+ Update polybar configs to not use sudo when running commands
+ Add Logout to polybar menu foor logging out of system user
+ Add brightness module to polybar to show backlight percentage 0-100

.local/share/konsole/Kapper.profile

@@ -20,3 +20,4 @@ TrimTrailingSpacesInSelectedText=true
 [Scrolling]
 HistoryMode=2
 ScrollBarPosition=2
+ScrollFullPage=1