Add multi-monitor support to all themes and made small tweaks to sizing and fonts

qpanels/panel/elementary.j2.ini

@@ -38,7 +38,7 @@ include-file = ~/.config/polybar/shared/bars.ini
 ; If unspecified, the application will pick the first one it finds.
 ; $ polybar -m | cut -d ':' -f 1
 ; $ xrandr -q | grep " connected" | cut -d ' ' -f1
-monitor =
+monitor = ${env:MONITOR:}
 
 ; Use the specified monitor as a fallback if the main one is not found.
 monitor-fallback =