message: docs: mention that the configuration is shared between the backend and the frontend
diff: @@ -6,8 +6,9 @@ description: Documentation on Writing Backstage Configuration Files
  ## File Format
  -Configuration is stored in YAML format in `app-config.yaml` files, looking
  -something like this:
  +Configuration is stored in YAML format in `app-config.yaml` files. This
  +configuration is shared between the frontend and backend and it looks something
  +like this:
  ```yaml
  app:
  