fix(07-01): add redirect URL to registration form

- Registration form now redirects to /anbieter-dashboard/ after successful submission
- Configured via form options redirect_url setting
- Fixes missing redirect after registration

includes/class-formidable.php

@@ -192,6 +192,7 @@ class DDHH_JM_Formidable {
 			'options'     => array(
 				'submit_value' => 'Registrieren',
 				'success_msg'  => 'Registrierung erfolgreich! Sie werden weitergeleitet...',
+				'redirect_url' => home_url( '/anbieter-dashboard/' ),
 			),
 		);