message: Mention `readline` option of `socat`
diff: @@ -186,7 +186,7 @@ If the configuration option `diagnostics_port.enabled` is set to `true`, a unix
  The `debug.socket` can be connected to by tools like `socat` for interactive use:
  ```sh
  -socat - unix:/path/to/debug.socket
  +socat readline unix:/path/to/debug.socket
  ```
  Entering `help` will show available commands. The `set` command allows configuring the current connection, see `set --help`.
  