Add base cron job

lib/tasks/jobs.rake

@@ -0,0 +1,8 @@
+namespace :jobs do
+  desc 'Schedule all cron jobs'
+  task schedule: :environment do
+    glob = Rails.root.join('app', 'jobs', '**', '*_job.rb')
+    Dir.glob(glob).each { |f| require f }
+    CronJob.subclasses.each(&:schedule)
+  end
+end