title: 'nx' is not recognized as the name of a cmdlet
body: <p>I am trying to add a new util library into my Nx mono repo. I googled and found the following command from <code>www.nx.dev</code>:</p>
  <pre><code>nx generate @nrwl/nest:library util/util-myLibName
  </code></pre>
  <p>When I run the above command, then I get the following message:</p>
  <blockquote>
  <p>The term 'nx' is not recognized as the name of a cmdlet, function,
  script file, or operable program. Check the spelling of the name, or
  if a path was included, verify that the path is correct and  try
  again.</p>
  </blockquote>
  <p>I searched the web a lot, but couldn't find the solution.</p>