Copy the editor config and gitattributes from drupal to the root. (#404)

Author: rodrigoaguilera

composer.json

@@ -65,6 +65,12 @@
             "web/profiles/contrib/{$name}": ["type:drupal-profile"],
             "web/themes/contrib/{$name}": ["type:drupal-theme"],
             "drush/Commands/{$name}": ["type:drupal-drush"]
+        },
+        "drupal-scaffold": {
+            "initial": {
+                ".editorconfig": "../.editorconfig",
+                ".gitattributes": "../.gitattributes"
+            }
         }
     }
 }