docs: update readme

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Jun Kurihara 2025-04-28 17:55:54 +09:00
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@ -88,9 +88,10 @@ The full help messages are given follows.
usage: rpxy [OPTIONS] --config <FILE>
Options:
-c, --config <FILE> Configuration file path like ./config.toml
-h, --help Print help
-V, --version Print version
-c, --config <FILE> Configuration file path like ./config.toml
-l, --log-dir <LOG_DIR> Directory for log files. If not specified, logs are printed to stdout.
-h, --help Print help
-V, --version Print version
```
If you set `--log-dir=<log_dir>`, the log files are created in the specified directory. Otherwise, the log is printed to stdout.