Add inclusion example to the readme

README.md

@@ -52,7 +52,10 @@ EvilSeed.configure do |config|
     #
     # Association path is a dot-delimited string of association chain starting from model itself:
     # example: "forum.users.questions"
-    root.exclude(/\btracking_pixels\b/, 'forum.popular_questions')
+    root.exclude(/\btracking_pixels\b/, 'forum.popular_questions', /\Aforum\.parent\b/)
+
+    # Include back only certain associations
+    root.include(/\Aforum(\.parent(\.questions(\.answers)?)?)?\z/)
 
     # It's possible to limit the number of included into dump has_many and has_one records for every association
     # Note that belongs_to records for all not excluded associations are always dumped to keep referential integrity.