add pundir style authorization

app/controllers/application_controller.rb

@@ -1,9 +1,13 @@
 class ApplicationController < ActionController::Base
   before_action :configure_permitted_parameters, if: :devise_controller?
 
-   protected
+  include Pundit::Authorization
 
-   def configure_permitted_parameters
+  alias :current_user :current_member #for pundit
+
+  protected
+
+  def configure_permitted_parameters
      devise_parameter_sanitizer.permit(:sign_up, keys: [:name])
-   end
+  end
 end