Merge branch 'next' into 'master'

feat: new versioning + new ckeditor 4

See merge request !9

.gitlab-ci.yml

+include:
+  - project: 'quiqqer/stabilization/semantic-release'
+    file: '/ci-templates/.gitlab-ci.yml'

composer.json

 {
-    "name": "quiqqer\/ckeditor4",
-    "type": "quiqqer-module",
-    "description": "CKEditor for the QUIQQER CMS - enable the ckeditor for quiqqer",
-    "license": "GPL-2.0-or-later",
-    "authors": [
-        {
-            "name": "Henning Leutz",
-            "email": "leutz@pcsg.de",
-            "homepage": "http:\/\/www.pcsg.de",
-            "role": "Developer"
-        }
-    ],
-    "support": {
-        "email": "support@pcsg.de"
-    },
-    "require": {
-        "quiqqer\/quiqqer": "*",
-        "quiqqer\/qui": ">=1|*@dev",
-        "ckeditor\/ckeditor": "4.16.*"
-    },
-    "autoload": {
-        "psr-4": {
-            "QUI\\Ckeditor\\": "src\/QUI\/Ckeditor\/",
-            "QUI\\Ckeditor\\Plugins\\": "src\/QUI\/Ckeditor\/Plugins\/"
-        }
+  "name": "quiqqer\/ckeditor4",
+  "type": "quiqqer-module",
+  "description": "CKEditor for the QUIQQER CMS - enable the ckeditor for quiqqer",
+  "license": "GPL-2.0-or-later",
+  "authors": [
+    {
+      "name": "Henning Leutz",
+      "email": "leutz@pcsg.de",
+      "homepage": "http:\/\/www.pcsg.de",
+      "role": "Developer"
     }
+  ],
+  "support": {
+    "email": "support@pcsg.de"
+  },
+  "require": {
+    "quiqqer\/quiqqer": "*",
+    "quiqqer\/qui": ">=1|*@dev",
+    "ckeditor\/ckeditor": "4.*"
+  },
+  "autoload": {
+    "psr-4": {
+      "QUI\\Ckeditor\\": "src\/QUI\/Ckeditor\/",
+      "QUI\\Ckeditor\\Plugins\\": "src\/QUI\/Ckeditor\/Plugins\/"
+    }
+  }
 }