message: docs(aio): add npm install to Sublime instructions
diff: @@ -111,7 +111,12 @@ Install the latest version of typescript in a local `node_modules` directory:
  npm install --save-dev typescript
  ```
  -This installs the nightly TypeScript build. Starting with TypeScript 2.3, TypeScript has a language service plugin model that the language service can use.
  +Then install the Angular Language Service in the same location:
  +```sh
  +npm install --save-dev @angular/language-service
  +```
  +
  +Starting with TypeScript 2.3, TypeScript has a language service plugin model that the language service can use.
  Next, in your user preferences (`Cmd+,` or `Ctrl+,`), add:
  