Update markdown based shortcode for card elements

Signed-off-by: Marc Duiker <[email protected]>

Author: marcduiker

daprdocs/content/en/go-sdk-docs/_index.md

@@ -15,14 +15,14 @@ cascade:
 A client library to help build Dapr applications in Go. This client supports all public Dapr APIs while focusing on idiomatic Go experiences and developer productivity.
 
 {{< cardpane >}}
-{{< card title="**Client**">}}
+{{% card title="**Client**"%}}
   Use the Go Client SDK for invoking public Dapr APIs
 
   [**Learn more about the Go Client SDK**]({{% ref go-client %}})
-{{< /card >}}
-{{< card title="**Service**">}}
+{{% /card %}}
+{{% card title="**Service**"%}}
   Use the Dapr Service (Callback) SDK for Go to create services that will be invoked by Dapr.
 
   [**Learn more about the Go Service (Callback) SDK**]({{% ref go-service %}})
-{{< /card >}}
-{{< /cardpane >}}
+{{% /card %}}
+{{< /cardpane >}}