Push memory to 800m (asset compilation fails)

CloudronManifest.json

@@ -21,7 +21,7 @@
     "https://s3.amazonaws.com/cloudron-app-screenshots/org.nodebb.cloudronapp/480c26ba681780ef1c460c7c34bb117b8ae33227/2.png",
     "https://s3.amazonaws.com/cloudron-app-screenshots/org.nodebb.cloudronapp/480c26ba681780ef1c460c7c34bb117b8ae33227/3.png"
   ],
-  "memoryLimit": 524288000,
+  "memoryLimit": 838860800,
   "changelog": "file://CHANGELOG",
   "tags": [ "forum", "collaboration", "community", "discourse", "bb" ],
   "postInstallMessage": "file://POSTINSTALL.md",