wip: integrate with easy admin bundle

composer.json

@@ -14,6 +14,7 @@
     "doctrine/doctrine-bundle": "^2.13",
     "doctrine/doctrine-migrations-bundle": "^3.3",
     "doctrine/orm": "^3.3",
+    "easycorp/easyadmin-bundle": "^4.27",
     "league/flysystem-bundle": "^3.4",
     "league/flysystem-sftp-v3": "^3.29",
     "league/oauth2-server-bundle": "^1.0",