Editing Phone Only Contacts (section)

=== Key Features ===
* '''Phone-Only Contact Creation''': Users can now add new contacts by utilizing just a phone number; an email address is not required.
* '''Phone-Only SMS Forms''': Create SMS marketing opt-in forms that exclusively capture phone number details, facilitating direct communication.
* '''CSV Import Support''': Upload subscriber contact lists that use phone numbers as the primary unique identifier to enhance SMS marketing and WhatsApp outreach.
* '''Encouraged Phone Number Formatting''': The integration of a country code picker and format suggestions encourages the standardization of phone numbers in E.164 format, which is essential for optimal deliverability.