Update multiapi for go sdk of securityinsights (Azure#9169)

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

@@ -14,6 +14,7 @@ go:
 ```yaml $(go) && $(multiapi)
 batch:
   - tag: package-composite-v1
+  - tag: package-2019-01-preview-only
 ```
 
 ### Tag: package-composite-v1 and go
@@ -22,5 +23,14 @@ These settings apply only when `--tag=package-composite-v1 --go` is specified on
 Please also specify `--go-sdk-folder=<path to the root directory of your azure-sdk-for-go clone>`.
 
 ```yaml $(tag) == 'package-composite-v1' && $(go)
-output-folder: $(go-sdk-folder)/services/preview/$(namespace)/mgmt/2017-08-01-preview/$(namespace)
+output-folder: $(go-sdk-folder)/services/preview/$(namespace)/mgmt/v1.0/$(namespace)
+```
+
+### Tag: package-2019-01-preview-only and go
+
+These settings apply only when `--tag=package-2019-01-preview-only --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-2019-01-preview-only' && $(go)
+output-folder: $(go-sdk-folder)/services/preview/$(namespace)/mgmt/2019-01-01-preview/$(namespace)
 ```