feat: tracking integration with GTM and CMP

src/Twig/AppExtension.php

@@ -40,6 +40,8 @@ class AppExtension extends AbstractExtension
             new TwigFunction('is_hidden', [AppRuntime::class, 'isHidden']),
             new TwigFunction('collect_invalid_field_labels', [AppRuntime::class, 'collectInvalidFieldLabels']),
             new TwigFunction('booking_theme', [AppRuntime::class, 'getBookingTheme']),
+            new TwigFunction('gtm_id', [AppRuntime::class, 'getGtmId']),
+            new TwigFunction('cmp_url', [AppRuntime::class, 'getCmpUrl']),
         ];
     }
 }