Add ability to translate server rules (#34494)

spec/fabricators/rule_translation_fabricator.rb

@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+Fabricator(:rule_translation) do
+  text     'MyText'
+  hint     'MyText'
+  language 'en'
+  rule     { Fabricate.build(:rule) }
+end

spec/serializers/rest/rule_serializer_spec.rb

@@ -11,7 +11,8 @@ RSpec.describe REST::RuleSerializer do
     it 'returns expected values' do
       expect(subject)
         .to include(
-          'id' => be_a(String).and(eq('123'))
+          'id' => be_a(String).and(eq('123')),
+          'translations' => be_a(Hash)
         )
     end
   end