Add terms of service (#33055)

app/controllers/admin/terms_of_service/previews_controller.rb

@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+
+class Admin::TermsOfService::PreviewsController < Admin::BaseController
+  before_action :set_terms_of_service
+
+  def show
+    authorize @terms_of_service, :distribute?
+    @user_count = @terms_of_service.scope_for_notification.count
+  end
+
+  private
+
+  def set_terms_of_service
+    @terms_of_service = TermsOfService.find(params[:terms_of_service_id])
+  end
+end