Use BASHUM_COLOR_* globals for color codes

dotfiles/bash/main.bashrc

@@ -56,7 +56,7 @@ nn() {
     local msg=${1:-this is done}
     local stime=$2
     bb "$stime"
-    echo -e "hey, \033[1;31m$msg\033[1;0m!"
+    echo -e "hey, $BASHUM_COLOR_LRED$msg$BASHUM_COLOR_NORMAL"
     notify-send -a 'nn()' "hey, $msg"
 }