wip: finalize implementation

src/Twig/AppExtension.php

@@ -26,6 +26,7 @@ class AppExtension extends AbstractExtension
         return [
             new TwigFunction('icon', [AppRuntime::class, 'renderIcon'], ['needs_environment' => true, 'is_safe' => ['html']]),
             new TwigFunction('is_participant_eligible', [AppRuntime::class, 'isParticipantEligible']),
+            new TwigFunction('qa_attribute', [AppRuntime::class, 'renderQaAttribute'], ['is_safe' => ['html']]),
         ];
     }
 }