synapse: adding the configuration for the Go Data Plane SDK (#15263)

Author: tombuildsstuff

specification/synapse/data-plane/readme.go.md

@@ -40,6 +40,16 @@ namespace: artifacts
 output-folder: $(go-sdk-folder)/services/preview/synapse/2019-06-01-preview/$(namespace)
 ```
 
+### Tag:  package-artifacts-2021-06-01-preview and go
+
+These settings apply only when `--tag=package-artifacts-2021-06-01-preview --go` is specified on the command line.
+Please also specify `--go-sdk-folder=<path to the root directory of your azure-sdk-for-go clone>`.
+
+``` yaml $(tag) == 'package-artifacts-2021-06-01-preview' && $(go)
+namespace: artifacts
+output-folder: $(go-sdk-folder)/services/preview/synapse/2021-06-01-preview/$(namespace)
+```
+
 ### Tag:  package-access-control-2020-02-01-preview and go
 
 These settings apply only when `--tag=package-access-control-2020-02-01-preview --go` is specified on the command line.
@@ -78,4 +88,4 @@ Please also specify `--go-sdk-folder=<path to the root directory of your azure-s
 ``` yaml $(tag) == 'package-vnet-2019-06-01-preview' && $(go)
 namespace: managedvirtualnetwork
 output-folder: $(go-sdk-folder)/services/preview/synapse/2019-06-01-preview/$(namespace)
-```
+```