Add interactive project onboarding tool with PowerShell command generator

Co-authored-by: Copilot <copilot@github.com>

Author: nielsweistra

docs/index.html

@@ -468,6 +468,8 @@
     <li><a href="#pipelines">Pipelines</a></li>
     <li><a href="#docs">Docs</a></li>
     <li><a href="getting-started">Get Started</a></li>
+    <li><a href="onboard">Onboard</a></li>
+    <li><a href="onboard-live">Live Run</a></li>
     <li><a href="https://github.com/ITlusions/ITL.Github" target="_blank" rel="noopener">GitHub</a></li>
   </ul>
 </nav>