Changed API spec label in docs header (#552)

* Changed API spec label in docs header

* Changed to API & SDKs

Considering the page has API References and MCP SDKs

Author: avoguru

app/en/_meta.tsx

@@ -18,7 +18,7 @@ const meta: MetaRecord = {
   },
   references: {
     type: "page",
-    title: "Reference",
+    title: "API & SDKs",
     href: "/references",
   },
 };