[APIC] Update frequently-asked-questions.yml

Links

Author: dlepow

articles/api-center/frequently-asked-questions.yml

@@ -59,5 +59,6 @@ additionalContent: |
     ## Related content
 
     * [Azure API Center overview](overview.md)
-    * [Build APIs | Microsoft Developer](https://developer.microsoft.com/build-apis
+    * [Build APIs | Microsoft Developer](https://developer.microsoft.com/build-apis)
+    * [API Center flash workshop](https://azure-samples.github.io/API-Center-Workshop/)