message: Add rrweb package to install command
diff: @@ -13,13 +13,13 @@ To install the stable version:
  with npm:
  ```shell
  -npm install --save @sentry/rrweb
  +npm install --save @sentry/rrweb rrweb
  ```
  with yarn:
  ```shell
  -yarn add @sentry/rrweb
  +yarn add @sentry/rrweb rrweb
  ```
  ## Setup
  