message: docs: clarify pinning of lts version
diff: @@ -59,17 +59,13 @@ With a simplified architecture and no use of CloudFormation, there are no limits
  ### Getting started
  -Install the next.js component:
  -
  -`npm install serverless-next.js --save-dev`
  -
  Add your next application to the serverless.yml:
  ```yml
  # serverless.yml
  myNextApplication:
  - component: serverless-next.js
  + component: serverless-next.js@{version_here} # it is recommended you pin the latest stable version of serverless-next.js
  ```
  Set your aws credentials in a `.env` file (or set them as environment variables):
  