updated Thunar.sh to include gtk-3.0 config if not present

install-scripts/thunar.sh

@@ -33,7 +33,7 @@ printf "${NOTE} Installing Thunar Packages...\n"
   done
 
  # Check for existing configs and copy if does not exist
-for DIR1 in Thunar xfce4; do
+for DIR1 in gtk-3.0 Thunar xfce4; do
   DIRPATH=~/.config/$DIR1
   if [ -d "$DIRPATH" ]; then
     echo -e "${NOTE} Config for $DIR1 found, no need to copy." 2>&1 | tee -a "$LOG"