Pods-based form option for add/edit modals

[sc0ttkclark]

For when someone does not have access to add or edit an item for a Pod, like a Post type for example -- there may be usefulness to offer a Pods-based form option (that does not use the normal admin screens) for a reduced content entry experience. This may also be an option that people want in normal content entry as well.

With this new option, someone embedding forms on the frontend could allow for content entry from a simple perspective with the ability to continue to keep posts in draft until they are reviewed for the parent item as well as related items added.

This also would open the door for "loop group" #109 like relationship screens that would mean that you could choose which fields to show on a specific relationship embedded form.