Move all config files to config directory and add corresponding changes to bootstrap script

config/polybar/logout-window.sh

@@ -0,0 +1,22 @@
+#! /bin/bash
+
+action=$(yad --width 300 --entry --title "System Logout" \
+  --button="Ok" --button="Cancel" \
+  --text "What to do?" \
+  --entry-text \
+  "Power Off" "Reboot" "Logout" \
+)
+
+return=$?
+
+if [[ $return -eq 1 ]] ; then
+  exit 0
+fi
+
+case $action in
+  Power*) cmd="systemctl poweroff" ;;
+  Reboot*) cmd="systemctl reboot" ;;
+  Logout*) cmd="i3-msg exit"
+esac
+
+eval exec $cmd