feat: let teamers fill in and read their questionnaire

src/Config/QuestionnaireCatalog.php

@@ -25,6 +25,11 @@ use Symfony\Component\Yaml\Yaml;
  */
 class QuestionnaireCatalog
 {
+    /**
+     * The questionnaire a teamer fills in after a bus escort; see DispositionVoter::QUESTIONNAIRE.
+     */
+    public const string TEAMER_ESCORT = 'teamer_escort';
+
     private const array ROOT_FIELDS = ['key', 'version', 'title', 'description', 'sections'];
     private const array SECTION_FIELDS = ['key', 'title', 'questions'];
     private const array QUESTION_FIELDS = ['key', 'label', 'type', 'required', 'help', 'widget', 'options', 'show_if'];