enter Debug Writer
fun enterDebugWriter(directory: String, logLevel: FfiLogLevel, rotation: FfiLogRotation, maxFiles: UInt, processType: FfiProcessType)
turns on logging to a file on-disk in the directory specified. files will be prefixed with 'libxmtp-v{version}.{commit}.{process_type}.{pid}.log' and suffixed with the timestamp, i.e "libxmtp-v1.6.0.abc123.main.12345.log.2025-04-02" A maximum of 'max_files' log files are kept.