message: fix: Give SimpleResourceStore root a content-type
diff: @@ -27,7 +27,7 @@ export class SimpleResourceStore implements ResourceStore {
  '': {
  dataType: DATA_TYPE_BINARY,
  data: streamifyArray([]),
  - metadata: { raw: [], profiles: []},
  + metadata: { raw: [], profiles: [], contentType: 'text/turtle' },
  },
  };
  }
  