Add RSpec module so that it works without monkey patching

When Rspec is started with: `config.disable_monkey_patching!`

lib/generators/curation_concerns/templates/spec/models/collection_spec.rb

@@ -1,6 +1,6 @@
 require 'rails_helper'
 
-describe Collection do
+RSpec.describe Collection do
   it "has tests" do
     skip "Add your tests here"
   end

lib/generators/curation_concerns/templates/spec/models/file_set_spec.rb

@@ -1,6 +1,6 @@
 require 'rails_helper'
 
-describe FileSet do
+RSpec.describe FileSet do
   it "has tests" do
     skip "Add your tests here"
   end

lib/generators/curation_concerns/work/templates/actor_spec.rb.erb

@@ -2,7 +2,7 @@
 #  `rails generate curation_concerns:work <%= class_name %>`
 require 'rails_helper'
 
-describe CurationConcerns::Actors::<%= class_name %>Actor do
+RSpec.describe CurationConcerns::Actors::<%= class_name %>Actor do
   it "has tests" do
     skip "Add your tests here"
   end

lib/generators/curation_concerns/work/templates/controller_spec.rb.erb

@@ -2,7 +2,7 @@
 #  `rails generate curation_concerns:work <%= class_name %>`
 require 'rails_helper'
 
-describe CurationConcerns::<%= class_name.pluralize %>Controller do
+RSpec.describe CurationConcerns::<%= class_name.pluralize %>Controller do
   it "has tests" do
     skip "Add your tests here"
   end

lib/generators/curation_concerns/work/templates/feature_spec.rb.erb

@@ -3,7 +3,7 @@
 require 'rails_helper'
 include Warden::Test::Helpers
 
-feature 'Create a <%= class_name %>' do
+RSpec.feature 'Create a <%= class_name %>' do
   context 'a logged in user' do
     let(:user_attributes) do
       { <%= Devise.authentication_keys.first %>: 'test@example.com' }

lib/generators/curation_concerns/work/templates/form_spec.rb.erb

@@ -2,7 +2,7 @@
 #  `rails generate curation_concerns:work <%= class_name %>`
 require 'rails_helper'
 
-describe CurationConcerns::<%= class_name %>Form do
+RSpec.describe CurationConcerns::<%= class_name %>Form do
   it "has tests" do
     skip "Add your tests here"
   end

lib/generators/curation_concerns/work/templates/model_spec.rb.erb

@@ -2,7 +2,7 @@
 #  `rails generate curation_concerns:work <%= class_name %>`
 require 'rails_helper'
 
-describe <%= class_name %> do
+RSpec.describe <%= class_name %> do
   it "has tests" do
     skip "Add your tests here"
   end