{{/*
  Outputs the contents of a file, contained in a highlighted code block.

  The logic attempts to infer the code language based on the file
  extension. You can override this by specifying a language when
  you call the shortcode.

  The base path is /docs/static.

  Basic call:

    {{< includeFile file="code-samples/include.sql" >}}

  Specify a language (default is "output" otherwise):

    {{< includeFile file="code-samples/include.sql" lang="sql" >}}

  Specify a language and some highlighting opt