all UI function calls from puter should be in the form `puter.ui.` e.g. `puter.showOpenFilePicker` becomes `puter.ui.showOpenFilePicker` puter.FileSystem. -> puter.fs. puter.Router. -> puter.router. puter.Apps. -> puter.apps. puter.setItem -> puter.kv.set puter.getItem -> puter.kv.get puter.removeItem -> puter.kv.del puter.createCloudItem(...) -> new puter.CloudItem(...) puter.router.* -> puter.hosting.*