createUser method
Creates a new user
Implementation
Future<KuzzleUser> createUser(String id, Map<String, dynamic> body,
{bool? waitForRefresh}) async {
final response = await kuzzle.query(KuzzleRequest(
controller: name,
action: 'createUser',
uid: id,
waitForRefresh: waitForRefresh,
body: body));
return KuzzleUser.fromKuzzleResponse(kuzzle, response);
}