v0.3.0

• Support for configuring xiu using the command line

  Usage: xiu [OPTIONS] <--config <path>|--rtmp <port>>
  
  Options:
    -c, --config <path>   Specify the xiu server configuration file path.
    -r, --rtmp <port>     Specify the RTMP listening port.(e.g.:1935)
    -f, --httpflv <port>  Specify the HTTP-FLV listening port.(e.g.:8080)
    -s, --hls <port>      Specify the HLS listening port.(e.g.:8081)
    -l, --log <level>     Specify the log level. [possible values: trace, debug, info, warn, error, debug]
    -h, --help            Print help
    -V, --version         Print version