Able to set place of cronotab.rb

lib/crono/config.rb

@@ -1,11 +1,14 @@
 module Crono
   class Config
+    CRONOTAB = "config/cronotab.rb"
     include Singleton
 
     attr_accessor :schedule
+    attr_accessor :cronotab
 
     def initialize
       self.schedule = Schedule.new
+      self.cronotab = CRONOTAB
     end
   end