Merge pull request #20079 from ankit8898/aj_all

docs: syncing with the code, adding aj [ci skip]

guides/source/initialization.md

@@ -533,6 +533,7 @@ require "rails"
   action_controller
   action_view
   action_mailer
+  active_job
   rails/test_unit
   sprockets
 ).each do |framework|