dashboard controller

app/controllers/admin/dashboard_controller.rb

@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+module Admin
+  class DashboardController < AdminController
+    def show
+      authorize :dashboard
+      @quizzes = policy_scope Quiz.includes(:questions).all
+      @users = policy_scope User.order(:role, :name)
+    end
+  end
+end