feature(logger): add log rolling - #152

This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.

Possible null reference return.

Non-nullable property 'IdentityToken' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Dereference of a possibly null reference.

Parameter 'javaManager' is unread.

Non-nullable field '_serverUrl' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.

Non-nullable field '_ok' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.

Possible null reference assignment.

Non-nullable field '_error' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.