message: clarify location of other config options
diff: @@ -71,6 +71,8 @@ These configurations are used by `coc-pyright`, you need to set them in your `co
  | pyright.completion.snippetSupport | Enable completion snippets support | true |
  | pyright.organizeimports.provider | Organize imports provider, `pyright` or `isort` | pyright |
  +Additional configuration options can be found in [package.json](./package.json).
  +
  ## pyrightconfig.json
  Pyright supports [pyrightconfig.json](https://github.com/microsoft/pyright/blob/master/docs/configuration.md) that provide granular control over settings.
  