feat!: quiqqer v2

BREAKING CHANGE: quiqqer v2 has been renamed to quiqqer/core. a new major version will be created here so that we can still develop for both versions.

composer.json

 {
-  "name": "quiqqer\/ckeditor4",
+  "name": "quiqqer/ckeditor4",
   "type": "quiqqer-module",
   "description": "CKEditor for the QUIQQER CMS - enable the ckeditor for quiqqer",
   "license": "GPL-2.0-or-later",
@@ -7,7 +7,7 @@
     {
       "name": "Henning Leutz",
       "email": "leutz@pcsg.de",
-      "homepage": "http:\/\/www.pcsg.de",
+      "homepage": "https://www.pcsg.de",
       "role": "Developer"
     }
   ],
@@ -15,14 +15,14 @@
     "email": "support@pcsg.de"
   },
   "require": {
-    "quiqqer\/quiqqer": "*",
-    "quiqqer\/qui": ">=1|*@dev",
-    "ckeditor\/ckeditor": ">=4.16.0 <4.22.0"
+    "quiqqer/core": "^2",
+    "quiqqer/qui": "^1",
+    "ckeditor/ckeditor": ">=4.16.0 <4.22.0"
   },
   "autoload": {
     "psr-4": {
-      "QUI\\Ckeditor\\": "src\/QUI\/Ckeditor\/",
-      "QUI\\Ckeditor\\Plugins\\": "src\/QUI\/Ckeditor\/Plugins\/"
+      "QUI\\Ckeditor\\": "src/QUI/Ckeditor/",
+      "QUI\\Ckeditor\\Plugins\\": "src/QUI/Ckeditor/Plugins/"
     }
   }
 }