Update introduction.mdx

Author: ryanfoxtyler

introduction.mdx

@@ -29,7 +29,7 @@ manage it as a backend service.
   <Card title="Agents" icon="robot" href="agents/introduction">
     Craft powerful agents in natural language with access to your tools and data
   </Card>
-  <Card title="Apps" icon="code" href="apps/introduction">
+  <Card title="Apps" icon="code" href="modus/overview">
     Build and deploy agents, flows, and AI-enabled services with more control
   </Card>
   <Card title="Graphs" icon="chart-network" href="graphs/overview">