serialize method
Serializes the LogLine to Byte array
Implementation
ByteData serialize() {
var buffer = WriteBuffer();
_putString(buffer, level);
_putString(buffer, tag);
_putString(buffer, message);
_putString(buffer, exceptionDump ?? "");
_putString(buffer, preFix ?? "");
_putString(buffer, postFix ?? "");
return buffer.done();
}