Create a circular file based on file size with serilog

https://stackoverflow.com/questions/54328934/create-a-circular-file-based-on-file-size-with-serilog

https://stackoverflow.com/questions/54171511/serilog-rolling-logs-in-one-file-only/54173333#54173333

https://github.com/serilog/serilog-sinks-file/issues/40

Fixed filename with rolling archive files #40