[Hustle Pro] Add Woocommerce/User Registration Integration to collect newsletter permission

Would be nice to have an integration between hustle and woocommerce/User Registration.

Use Case:
At the end of the User Registration Form / At the end of woocommerce Checkout ->
Present the User with a Checkbox ->
“I want to get your awesome newsletter” ->
If user checks the checkbox the Hustler adds the email to the connected newsletter list.