How to add new field in registration form in shopify?

@filiberto 

To add a new field to the registration form on Shopify, you will need to follow these steps:

1. Log in to your Shopify admin dashboard.
2. Go to Settings and click on Checkout.
3. Scroll down to the Form options section and click on Customer contact.
4. Here you will see the existing fields in the registration form. Click on the Add a field button.
5. Enter the label for the new field you want to add (e.g. "Date of Birth").
6. Select the type of field (text input, dropdown, radio buttons, etc.).
7. Choose whether the field is required or optional.
8. Click Save at the top right corner of the page.

Now, the new field will be added to the registration form on your Shopify store. Customers will be prompted to fill in this new field when creating an account.