setup in tasks_scheduler-0.4.0

- old
+ new

@@ -1,9 +1,11 @@
 #!/usr/bin/env ruby
+# frozen_string_literal: true
+
 require 'pathname'
 
 # path to your application root.
-APP_ROOT = Pathname.new File.expand_path('../../', __FILE__)
+APP_ROOT = Pathname.new File.expand_path('..', __dir__)
 
 Dir.chdir APP_ROOT do
   # This script is a starting point to setup your application.
   # Add necessary setup steps to this file:
 