add some doc [ci-skip]

src/Bundle/ChillMainBundle/Form/Type/PickAddressType.php

@@ -11,6 +11,24 @@ use Symfony\Component\Form\FormInterface;
 use Symfony\Component\Form\FormView;
 use Symfony\Component\OptionsResolver\OptionsResolver;
 
+/**
+ * Form type for picking an address.
+ *
+ * In the UI, this resolve to a vuejs component which will insert the created address id into the
+ * hidden's value. It will also allow to edit existing addresses without changing the id.
+ *
+ * In every page where this component is shown, you must include the required module:
+ *
+ * ```twig
+ * {% block js %}
+ *     {{ encore_entry_script_tags('mod_input_address') }}
+ * {% endblock %}
+ *
+ * {% block css %}
+ *     {{ encore_entry_link_tags('mod_input_address') }}
+ * {% endblock %}
+ * ```
+ */
 final class PickAddressType extends AbstractType
 {
     private AddressToIdDataTransformer $addressToIdDataTransformer;