docs: fix path relative path for quick start (#462)

Author: jatinsandilya

fern/docs/contents/intro.mdx

@@ -22,7 +22,7 @@ Your customers authenticate their tools with us using our drop-in UI that you ca
 Feeling like an eager beaver? Jump in to the quick start docs and make your first request:
 
 <Cards center>
-    <Card title="Quick Start" href="/overview/quick-start" />
+    <Card title="Quick Start" href="/overview/introduction/quick-start" />
 </Cards>
 
 ### Want to deep dive?