[WIP] When 3rd-party integrations are not configured and/or enabled, no integrations will be displayed in the form builder. Instead, a message will appear:

"No integrations available. Read more about configuring 3rd-party integrations [here], or contact your Administrator to get started."

The [here] text will link to a page, the product of this story. This page will describe the UI workflow to navigate to Admin > Integrations and set up an integration. Furthermore, it may describe the recommended Developer workflow to implement a callback server to achieve a working integration.