docs: fix tutorials card link on index page (#1204)

The Tutorials card on the home page was pointing to /tutorials instead
of /get-started/tutorials. This was missed in #1137.

Author: mesutoezdil

docs/index.mdx

@@ -99,7 +99,7 @@ Install the CLI and create your first sandbox in two commands.
 <Badge intent="tip" minimal outlined>Tutorial</Badge>
 </Card>
 
-<Card title="Tutorials" href="/tutorials">
+<Card title="Tutorials" href="/get-started/tutorials">
 
 Hands-on walkthroughs from first sandbox to custom policies.