add missing blacklist-filter in composer.json

composer.json

@@ -34,6 +34,13 @@
   },
   "extra": {
     "oxideshop": {
+      "blacklist-filter": [
+        "*.md",
+        "composer.json",
+        ".php-cs-fixer.php",
+        "*.xml",
+        "*.neon"
+      ],
       "target-directory": "d3/googleanalytics"
     }
   },