[Hub Generated] Review request for Microsoft.Synapse to add version preview/2021-04-01-preview (Azure#13874)

* Adds base for updating Microsoft.Synapse from version stable/2021-03-01 to version 2021-04-01-preview

* Updates readme

* Updates API version in new specs and examples

* add changed files for kustoPool

* Ravi changes to fix LinDiff validation

* Add Itay Sofer's changes

* filizt comments mid-way

* Remove clouderror and resplace with "../../../../../common-types/resource-management/v2/types.json#/definitions/ErrorResponse"

* Add IotHubDataConnection and EventGridDataConnection

* Modify PUT to OK, CREATED, ACCEPTED

* Change from provisioningState to ResourceProvisioningState

* Add BlobStorageEventType

* Remove 202 when creating a KustoPool

* Change PUT/PATCH 202 responses

* Remove 202 in PATCH/PUT operations where having both 200 & 201

* Add "isIdentityCertExprired" to custom-words.txt

* Remove isIdentityCertExprired from custom-words.txt

* Add Exprired to cSpell.json

Co-authored-by: Amit Elran <amelran@microsoft.com>

Author: amitelran

cSpell.json

@@ -230,6 +230,12 @@
                 "Exprired"
             ]
         },
+        {
+            "filename": "**/specification/synapse/resource-manager/Microsoft.Synapse/preview/2021-04-01-preview/integrationRuntime.json",
+            "words": [
+                "Exprired"
+            ]
+        },
         {
             "filename": "**/specification/datamigration/resource-manager/Microsoft.DataMigration/preview/2018-07-15-preview/definitions/TasksCommon.json",
             "words": [
@@ -814,4 +820,4 @@
             ]
         }
     ]
-}
+}

custom-words.txt

@@ -957,6 +957,7 @@ Kubelet
 kubenet
 kubernetes
 kusto
+kustooperations
 kvset
 l'avion
 labaccounts