Kusto: add 2021-01-01 schema

Author: dorcohe

schemas/2019-04-01/deploymentTemplate.json

@@ -145,6 +145,14 @@
                   { "$ref": "https://schema.management.azure.com/schemas/2020-09-18/Microsoft.Kusto.json#/resourceDefinitions/clusters_dataconnections" },
                   { "$ref": "https://schema.management.azure.com/schemas/2020-09-18/Microsoft.Kusto.json#/resourceDefinitions/clusters_principalassignments" },
                   { "$ref": "https://schema.management.azure.com/schemas/2020-09-18/Microsoft.Kusto.json#/resourceDefinitions/clusters_databases_principalassignments" },
+				  { "$ref": "https://schema.management.azure.com/schemas/2021-01-01/Microsoft.Kusto.json#/resourceDefinitions/clusters" },
+                  { "$ref": "https://schema.management.azure.com/schemas/2021-01-01/Microsoft.Kusto.json#/resourceDefinitions/clusters_databases" },
+                  { "$ref": "https://schema.management.azure.com/schemas/2021-01-01/Microsoft.Kusto.json#/resourceDefinitions/clusters_databases_dataconnections" },
+                  { "$ref": "https://schema.management.azure.com/schemas/2021-01-01/Microsoft.Kusto.json#/resourceDefinitions/clusters_attacheddatabaseconfigurations" },
+                  { "$ref": "https://schema.management.azure.com/schemas/2021-01-01/Microsoft.Kusto.json#/resourceDefinitions/clusters_dataconnections" },
+                  { "$ref": "https://schema.management.azure.com/schemas/2021-01-01/Microsoft.Kusto.json#/resourceDefinitions/clusters_principalassignments" },
+                  { "$ref": "https://schema.management.azure.com/schemas/2021-01-01/Microsoft.Kusto.json#/resourceDefinitions/clusters_databases_principalassignments" },
+				  { "$ref": "https://schema.management.azure.com/schemas/2021-01-01/Microsoft.Kusto.json#/resourceDefinitions/clusters_databases_scripts" },
                   { "$ref": "https://schema.management.azure.com/schemas/2015-11-01/Microsoft.Network.json#/resourceDefinitions/trafficManagerProfiles" },
                   { "$ref": "https://schema.management.azure.com/schemas/2017-03-01/Microsoft.Network.json#/resourceDefinitions/trafficManagerProfiles" },
                   { "$ref": "https://schema.management.azure.com/schemas/2017-05-01/Microsoft.Network.json#/resourceDefinitions/trafficManagerProfiles" },