Add batch tag for streamanalytics readme.go.md (#17191)

* Add batch tag for streamanalytics readme.go.md

* fix

Author: Alancere

specification/streamanalytics/resource-manager/readme.go.md

@@ -23,6 +23,7 @@ azure-arm: true
 batch:
   - tag: package-pure-2016-03
   - tag: package-2020-03-preview
+  - tag: package-pure-2020-03
 ```
 
 ### Tag: package-pure-2016-03 and go
@@ -42,3 +43,12 @@ Please also specify `--go-sdk-folder=<path to the root directory of your azure-s
 ``` yaml $(tag) == 'package-2020-03-preview' && $(go)
 output-folder: $(go-sdk-folder)/services/preview/$(namespace)/mgmt/2020-03-01-preview/$(namespace)
 ```
+
+### Tag: package-pure-2020-03 and go
+
+These settings apply only when `--tag=package-pure-2020-03 --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-pure-2020-03' && $(go)
+output-folder: $(go-sdk-folder)/services/$(namespace)/mgmt/2020-03-01/$(namespace)
+```