* Add: File upload and attachment field type
* Add: Auto respond to submissions
* Add: Option to exclude message field
* Fix: In the email content state where the contact form sent from
* Add: Static text field type
* Add: Success message option
* Add: Publish contact submission as custom post type
* Fix: ScrollTo to error message on submit
* Fix: Use senders name in email header
* Fix: The required checkbox field doesnt work
