GTM module

Author: niteshsyngenta11

composer.json

@@ -28,6 +28,7 @@
         "drupal/extlink": "^2.0",
         "drupal/focal_point": "^2.1",
         "drupal/google_analytics": "^4.0",
+        "drupal/gtm": "^1.9",
         "drupal/gutenberg": "^3.0@dev",
         "drupal/gutenberg_starter": "^1.1",
         "drupal/linkit": "^7.0",