update cta on docs overview page

Author: msukkari

docs/docs/overview.mdx

@@ -2,9 +2,16 @@
 title: "Overview"
 ---
 
-> Sourcebot is an open-source ([GitHub](https://github.com/sourcebot-dev/sourcebot)), self-hosted code search tool that is purpose built to help teams find and navigate code quickly, at scale.
-
-If you'd like to try it out, check out our [public demo](https://demo.sourcebot.dev/).
+Sourcebot is an open-source ([GitHub](https://github.com/sourcebot-dev/sourcebot)), self-hosted code search tool that is purpose built to help teams find and navigate code quickly, at scale.
+
+<CardGroup>
+<Card title="Deployment guide" icon="server" href="/docs/deployment-guide" horizontal="true">
+  Learn how to self-host Sourcebot in a few simple steps.
+</Card>
+<Card title="Public demo" icon="globe" href="https://demo.sourcebot.dev/" horizontal="true">
+  Check out Sourcebot's features on our public demo instance.
+</Card>
+</CardGroup>
 
 <AccordionGroup>
   <Accordion title="Why Sourcebot?">