Update quickstart.mdx

Sourcegraph usually refers to their AI assistant as Cody

Author: dsp-ant

quickstart.mdx

@@ -279,9 +279,9 @@ While this guide demonstrates MCP using Claude Desktop, several other applicatio
   </Card>
   
   <Card 
-    title="Sourcegraph" 
+    title="Cody" 
     icon="magnifying-glass"
-    href="https://sourcegraph.com">
+    href="https://sourcegraph.com/cody">
     Code intelligence platform featuring MCP integration for enhanced code search and analysis capabilities
   </Card>
 </CardGroup>
@@ -335,4 +335,4 @@ Each client may implement MCP features differently or support different capabili
   <Card title="Explore examples" icon="github" href="https://github.com/modelcontextprotocol/servers">
     Browse our collection of example servers to see what's possible.
   </Card>
-</CardGroup>
+</CardGroup>