message: docs: add paragraph on how to view local config docs
diff: @@ -33,6 +33,15 @@ proxy:
  Configuration files are typically checked in and stored in the repo that houses
  the rest of the Backstage application.
  +The particular configuration that is available to each Backstage app depends on
  +what plugins and packages are installed. To view the configuration reference for
  +your own project, including what configuration keys available and whether they
  +are needed by the frontend, use the following command:
  +
  +```sh
  +yarn backstage-cli config:docs
  +```
  +
  ## Environment Variable Overrides
  Individual configuration values can be overridden using environment variables
  