Added a script to smartly split the screen in i3

i3-smart-split

@@ -0,0 +1,11 @@
+#!/bin/sh
+
+RES=$(xwininfo -id `xdotool getwindowfocus` | grep -E '(Width|Height)' | awk '{print $2}')
+
+IFS=" " read var1 var2 <<< $RES
+
+if [ $var1 -gt $var2 ]; then
+    i3-msg split h
+else
+    i3-msg split v
+fi