updating homepage anton link (#12422)

Author: martyna-mindsdb

docs/homepage.mdx

@@ -20,10 +20,10 @@ mode: "custom"
     </Card>
   </div>
   <div className="w-full max-w-lg">
-    <Card title="BI & Analytics (MindsDB Anton)" href="https://docs.mdb.ai/">
+    <Card title="BI & Analytics (MindsDB Anton)" href="https://github.com/mindsdb/anton">
       I want to use MindsDB Anton, an AI coworker, to explore my data and uncover insights — no code required.
         <br></br><br></br>
-      Go to Minds Documentation.
+      Go to Anton GitHub repository.
     </Card>
   </div>
 </div>