message: fix(aio): add missing code snippet
  The snippet got lost some time during the migration from the old version (it is
  [present in v2][1]).
  [1]: https://v2.angular.io/docs/ts/latest/cookbook/aot-compiler.html#!#running-the-application
  Fixes
diff: @@ -528,6 +528,11 @@ Compiling with AOT presupposes certain supporting files, most of them discussed
  Extend the `scripts` section of the `package.json` with these npm scripts:
  +<code-example language="json">
  + "build:aot": "ngc -p tsconfig-aot.json && rollup -c rollup-config.js",
  + "serve:aot": "lite-server -c bs-config.aot.json",
  +</code-example>
  +
  Copy the AOT distribution files into the `/aot` folder with the node script:
  <code-example language="none" class="code-shell">
  