docs: add link to private alpha

content/_index.md

@@ -1,6 +1,5 @@
 ---
-title: CTFer docs
-
+title: CTFer.io
 ---
 
 {{< blocks/cover title="Focus on your CTF, not the infrastructure" image_anchor="top" height="full" >}}
@@ -9,6 +8,9 @@ title: CTFer docs
 <a class="btn btn-lg btn-secondary me-3 mb-4" href="https://github.com/ctfer-io/">
   Link to Org  <i class="fab fa-github ms-2 "></i>
 </a>
+<a class="btn btn-lg btn-primary me-3 mb-4" href="https://alpha.ctfer.io/docs">
+  Alpha Docs <i class="fa-solid fa-hammer"></i>
+</a>
 <p class="lead mt-5">Currently work in progress, follow us on GitHub for announcements </p>
 {{< blocks/link-down color="info" >}}
 {{< /blocks/cover >}}