Set up pundit policy for bag types.
user
```ruby
module Renalware

  class BagTypePolicy < ApplicationPolicy
    def new? ; has_privilege? end
    def create? ; has_privilege? end
    def index? ; has_privilege? end
    def edit? ; has_privilege? end
    def destroy? ; has_privilege? end

    private
    def has_privilege?
      user.has_role?(:admin) || user.has_role?(:super_admin)
    end

  end
end```
assistant