Use core packages (#6)

composer.json

@@ -36,45 +36,29 @@
         }
     ],
     "require": {
-        "php": ">=5.6",
-        "thunder/thunder-distribution": "~3.3",
+        "php": ">=7.2",
+        "thunder/thunder-distribution": "~3.4",
         "cweagans/composer-patches": "^1.6.5",
-        "drupal-composer/drupal-scaffold": "^2.5",
+        "drupal/core-composer-scaffold": "^8.8",
+        "drupal/core-recommended": "^8.8",
         "drupal/console": "^1.2",
         "composer/installers": "^1.2",
-        "drush/drush": "^8.1.17|^9.0.0",
+        "drush/drush": "^9.0|^10.0",
         "vlucas/phpdotenv": "^2.4",
         "oomphinc/composer-installers-extender": "^1.1",
-        "webflo/drupal-finder": "^1.0.0",
-        "webmozart/path-util": "^2.3",
         "zaporylie/composer-drupal-optimizations": "^1.1"
     },
     "require-dev": {
-        "webflo/drupal-core-require-dev": "^8.6"
+        "drupal/core-dev": "^8.8"
+    },
+    "conflict": {
+        "drupal/drupal": "*"
     },
     "minimum-stability": "dev",
     "prefer-stable": true,
     "autoload": {
-        "classmap": [
-            "scripts/composer/ScriptHandler.php"
-        ],
         "files": ["load.environment.php"]
     },
-    "scripts": {
-        "drupal-scaffold": "DrupalComposer\\DrupalScaffold\\Plugin::scaffold",
-        "pre-install-cmd": [
-            "DrupalProject\\composer\\ScriptHandler::checkComposerVersion"
-        ],
-        "pre-update-cmd": [
-            "DrupalProject\\composer\\ScriptHandler::checkComposerVersion"
-        ],
-        "post-install-cmd": [
-            "DrupalProject\\composer\\ScriptHandler::createRequiredFiles"
-        ],
-        "post-update-cmd": [
-            "DrupalProject\\composer\\ScriptHandler::createRequiredFiles"
-        ]
-    },
     "extra": {
         "composer-exit-on-patch-failure": true,
         "installer-types": ["bower-asset", "npm-asset"],
@@ -92,9 +76,8 @@
         },
         "enable-patching": true,
         "drupal-scaffold": {
-            "initial": {
-                ".editorconfig": "../.editorconfig",
-                ".gitattributes": "../.gitattributes"
+            "locations": {
+                "web-root": "docroot/"
             }
         }
     },