[Tables] Adding swagger.md (#15016)

* adding swagger

* updating swagger with autorest command

* more fixes

* fixing directive

* updating swagger.md

* fixed swagger

* fixing directive

* add dataplane flag

* updating swagger

* commented out tests, passes remaining

* addressing chris hamons feedback

* undoing changes

* undoing the rest of changes

* updating generated code

* formatting gen code

* more formatting corrections

* one last formatting correction

sdk/tables/autorest.md

@@ -0,0 +1,41 @@
+## Go
+
+These settings apply only when `--go` is specified on the command line.
+
+<!-- Original autorest command used by Chris Scott -->
+<!-- autorest --use=@autorest/go@4.0.0-preview.20 https://raw.githubusercontent.com/Azure/azure-rest-api-specs/master/specification/cosmos-db/data-plane/readme.md --tag=package-2019-02 --file-prefix="zz_generated_" --modelerfour.lenient-model-deduplication --license-header=MICROSOFT_MIT_NO_VERSION --output-folder=aztables --module=aztables --openapi-type="data-plane" --credential-scope=none -->
+
+``` yaml
+go: true
+version: "^3.0.0"
+input-file: https://github.com/Azure/azure-rest-api-specs/blob/d744b6bcb95ab4034832ded556dbbe58f4287c5b/specification/cosmos-db/data-plane/Microsoft.Tables/preview/2019-02-02/table.json
+license-header: MICROSOFT_MIT_NO_VERSION
+clear-output-folder: false
+output-folder: aztable
+file-prefix: "zz_generated_"
+# namespace: aztable
+tag: package-2019-02
+credential-scope: none
+use: "@autorest/go@4.0.0-preview.23"
+openapi-type: data-plane
+```
+
+<!-- This change will have to be made by hand for now, leaving this directive in case it is useful later -->
+<!--
+``` yaml
+directive:
+  # dynamically change TableEntityProperties from map[string]interface{} to []byte
+  - from: swagger-document
+    where: $.definitions.TableEntityProperties
+    transform: >-
+      $["type"] = "string";
+      $["format"] = "byte";
+      delete $.additionalProperties;
+``` -->
+
+### Go multi-api
+
+``` yaml $(go) && $(multiapi)
+batch:
+  - tag: package-2019-02
+```

sdk/tables/aztable/table_service_client.go

@@ -28,7 +28,8 @@ func NewTableServiceClient(serviceURL string, cred azcore.Credential, options *T
 	if isCosmosEndpoint(serviceURL) {
 		conOptions.PerCallPolicies = []azcore.Policy{CosmosPatchTransformPolicy{}}
 	}
-	con := newConnection(serviceURL, cred, conOptions)
+	conOptions.PerCallPolicies = append(conOptions.PerCallPolicies, cred.AuthenticationPolicy(azcore.AuthenticationPolicyOptions{Options: azcore.TokenRequestOptions{Scopes: []string{"none"}}}))
+	con := newConnection(serviceURL, conOptions)
 	c, _ := cred.(*SharedKeyCredential)
 	return &TableServiceClient{client: &tableClient{con}, service: &serviceClient{con}, cred: *c}, nil
 }