Update reference-managed-online-endpoints-vm-sku-list.md

Add new supported SKU - "DS1 v2"

Author: frcai

articles/machine-learning/reference-managed-online-endpoints-vm-sku-list.md

@@ -28,7 +28,7 @@ This table shows the VM SKUs that are supported for Azure Machine Learning manag
 
 | Size | General Purpose | Compute Optimized | Memory Optimized | GPU |
 | --- | --- | --- | --- | --- | --- | 
-| V.Small | DS2 v2 | F2s v2 | E2s v3 | NC4as_T4_v3 |
+| V.Small | DS1 v2 <br/> DS2 v2 | F2s v2 | E2s v3 | NC4as_T4_v3 |
 | Small | DS3 v2 | F4s v2 |  E4s v3 | NC6s v2 <br/> NC6s v3 <br/> NC8as_T4_v3 |
 | Medium | DS4 v2 | F8s v2 | E8s v3 | NC12s v2 <br/> NC12s v3 <br/> NC16as_T4_v3 |
 | Large | DS5 v2 | F16s v2 | E16s v3 | NC24s v2 <br/> NC24s v3 <br/> NC64as_T4_v3 |