installed and activated webprofiler

composer.json

@@ -4,7 +4,7 @@
     "type": "project",
     "license": "GPL-2.0-or-later",
     "require": {
-        "composer/installers": "^1.0.24",
+        "composer/installers": "^1.6",
         "wikimedia/composer-merge-plugin": "^1.4",
         "drupal/migrate_plus": "^4.0",
         "drupal/migrate_tools": "4.x-dev",
@@ -18,7 +18,9 @@
         "drupal/computed_field": "^2.0@alpha",
         "drupal/cshs": "1.x-dev",
         "drupal/views_ef_fieldset": "1.x-dev",
-        "drupal/pagerer": "^1.4"
+        "drupal/pagerer": "^1.4",
+        "d3/d3": "3.5.*",
+        "components/highlightjs": "9.7.*"
     },
     "replace": {
         "drupal/core": "^8.6"
@@ -53,7 +55,8 @@
             "themes/contrib/{$name}": ["type:drupal-theme"],
             "drush/contrib/{$name}": ["type:drupal-drush"],
             "modules/custom/{$name}": ["type:drupal-custom-module"],
-            "themes/custom/{$name}": ["type:drupal-custom-theme"]
+            "themes/custom/{$name}": ["type:drupal-custom-theme"],
+            "libraries/{$name}": ["type:drupal-library"]
         }
     },
     "autoload": {
@@ -75,6 +78,30 @@
         {
             "type": "composer",
             "url": "https://packages.drupal.org/8"
+        },
+        {
+            "type": "package",
+            "package": {
+                "name": "d3/d3",
+                "version": "v3.5.17",
+                "type": "drupal-library",
+                "dist": {
+                    "url": "https://github.com/d3/d3/archive/v3.5.17.zip",
+                    "type": "zip"
+                }
+            }
+        },
+        {
+            "type": "package",
+            "package": {
+                "name": "components/highlightjs",
+                "version": "9.7.0",
+                "type": "drupal-library",
+                "dist": {
+                    "url": "https://github.com/components/highlightjs/archive/9.7.0.zip",
+                    "type": "zip"
+                }
+            }
         }
     ]
 }