forms: created some basic forms to use with the form wizard

in each, the checkbox is required

refs #13683
forms, view, urls: MigrationWizard started, /migration

forms: added FORMS, a tuple of the form and form name for the FormWizard
views: Will show the first form (and others once buttons are hooked up)
urls: added /migrate which points to the MigrationWizard view

refs #13683