Update of SKUs

Type of SKUs has been extended to include OpenAI option with the Azure Cognitive Services window and its deployment ARM template. Would be great to include kind of "OpenAI" type as well, which is now available. Thanks.

Author: LazaUK

articles/cognitive-services/includes/quickstarts/sku-pricing.md

@@ -51,6 +51,11 @@ See the list of SKUs and pricing information below.
 | Content Moderator | `ContentModerator` |
 | Personalizer      | `Personalizer`     |
 
+#### Azure OpenAI
+
+| Service           | Kind               |
+|-------------------|--------------------|
+| Azure OpenAI      | `OpenAI`           |
 
 #### Pricing tiers and billing