Add and enable drupal/config_split

References #38

composer.json

@@ -18,6 +18,7 @@
         "composer/installers": "^1.2",
         "drupal/admin_toolbar": "^2.0",
         "drupal/config_ignore": "^2.2",
+        "drupal/config_split": "^1.4",
         "drupal/core-composer-scaffold": "^8.8",
         "drupal/core-recommended": "^8.8",
         "drupal/google_analytics": "^2.4",

composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "b0043172e58bef3a45fb4ebd381a42f3",
+    "content-hash": "ec288dcb5d8513cc56340f0cf625da7c",
     "packages": [
         {
             "name": "asm89/stack-cors",
@@ -1758,6 +1758,75 @@
                 "irc": "irc://irc.freenode.org/drupal-contribute"
             }
         },
+        {
+            "name": "drupal/config_split",
+            "version": "1.4.0",
+            "source": {
+                "type": "git",
+                "url": "https://git.drupalcode.org/project/config_split.git",
+                "reference": "8.x-1.4"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://ftp.drupal.org/files/projects/config_split-8.x-1.4.zip",
+                "reference": "8.x-1.4",
+                "shasum": "938ea6c88834aa88bb310740758e56c1800e535b"
+            },
+            "require": {
+                "drupal/config_filter": "*",
+                "drupal/core": "~8.0"
+            },
+            "type": "drupal-module",
+            "extra": {
+                "drupal": {
+                    "version": "8.x-1.4",
+                    "datestamp": "1537971780",
+                    "security-coverage": {
+                        "status": "covered",
+                        "message": "Covered by Drupal's security advisory policy"
+                    }
+                },
+                "drush": {
+                    "services": {
+                        "drush.services.yml": "^9"
+                    }
+                }
+            },
+            "notification-url": "https://packages.drupal.org/8/downloads",
+            "license": [
+                "GPL-2.0+"
+            ],
+            "authors": [
+                {
+                    "name": "Fabian Bircher",
+                    "homepage": "https://www.drupal.org/u/bircher",
+                    "email": "opensource@fabianbircher.com",
+                    "role": "Maintainer"
+                },
+                {
+                    "name": "Nuvole Web",
+                    "homepage": "http://nuvole.org",
+                    "email": "info@nuvole.org",
+                    "role": "Maintainer"
+                },
+                {
+                    "name": "pescetti",
+                    "homepage": "https://www.drupal.org/user/436244"
+                }
+            ],
+            "description": "Configuration filter for importing and exporting extra config",
+            "homepage": "https://www.drupal.org/project/config_split",
+            "keywords": [
+                "Drupal",
+                "configuration",
+                "configuration management"
+            ],
+            "support": {
+                "source": "http://cgit.drupalcode.org/config_split",
+                "issues": "https://www.drupal.org/project/issues/config_split",
+                "irc": "irc://irc.freenode.org/drupal-contribute"
+            }
+        },
         {
             "name": "drupal/core",
             "version": "8.8.5",

config/default/core.extension.yml

@@ -8,6 +8,7 @@ module:
   config: 0
   config_filter: 0
   config_ignore: 0
+  config_split: 0
   ctools: 0
   custom: 0
   datetime: 0