Issue #12: Add composer vendor cleaner

Author: omarlopesino

composer.json

@@ -31,7 +31,8 @@
         "metadrop/grumphp-php-compatibility": "^1.0 || ^2.0",
         "drupal/image_styles_generator": "^1.0",
         "drupal/config_inspector": "^2.1",
-        "mxr576/ddqg-composer-audit": "^1.2"
+        "mxr576/ddqg-composer-audit": "^1.2",
+        "liborm85/composer-vendor-cleaner": "^1.7"
     },
     "extra": {
         "package-comments": {