ild System Designer:</li>
</ul>
<pre><code class="hljs css language-shell">npm run build
</code></pre>
<p>Your system will be then compose with System Designer core system.</p>
<h2><a class="anchor" aria-hidden="true" id="add-extensions"></a><a href="#add-extensions" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91