chore: fix intendation in role model (#495)

Add proper indentation in role model's template

lib/generators/active_record/templates/model.rb

@@ -1,16 +1,15 @@
-has_and_belongs_to_many :<%= user_class.table_name %>, :join_table => :<%= join_table %>
+  has_and_belongs_to_many :<%= user_class.table_name %>, :join_table => :<%= join_table %>
+  <% if Rails::VERSION::MAJOR < 5 %>
+  belongs_to :resource,
+             :polymorphic => true
+  <% else %>
+  belongs_to :resource,
+             :polymorphic => true,
+             :optional => true
+  <% end %>
 
-<% if Rails::VERSION::MAJOR < 5 %>
-belongs_to :resource,
-           :polymorphic => true
-<% else %>
-belongs_to :resource,
-           :polymorphic => true,
-           :optional => true
-<% end %>
+  validates :resource_type,
+            :inclusion => { :in => Rolify.resource_types },
+            :allow_nil => true
 
-validates :resource_type,
-          :inclusion => { :in => Rolify.resource_types },
-          :allow_nil => true
-
-scopify
+  scopify

spec/generators/rolify/rolify_activerecord_generator_spec.rb

@@ -71,6 +71,7 @@ class User < ActiveRecord::Base
       it { should contain "validates :resource_type,\n"
                           "          :inclusion => { :in => Rolify.resource_types },\n"
                           "          :allow_nil => true" }
+      it { should contain "scopify" }
     end
 
     describe 'app/models/user.rb' do