Design Cart Contact Form Builder

1.0.4

• Aligned text domain and plugin identifiers with the WordPress.org slug design-cart-contact-form-builder.
• Replaced short dc prefix with dccfb for CPT, shortcode, options, hooks, and assets.

1.0.3

• Default UI language is English; added Polish translation file (pl_PL).

1.0.2

• Added mail settings: default wp_mail or plugin SMTP for form notifications.

1.0.1

• Fixed required validation for custom fields added in the form builder.
• Added file attachment field type with email delivery.

1.0.0

• Initial release.