Error page

[matthewdking]

create a custom error page that can render custom error messages to the user

[matthewdking]

To render the error page use this but change the status code and message to something more appropriate for each specific case

return res.render('error', {
        statusCode: 404,
        message: 'page not found',
        type: 'error'
      });

@veredrec @Heathercoraje @sajedazoabi @paulhanna1933