Add batch tag to compute and containerinstance in readme.go.md (#15299)

* servicebus readme.go.md

* Go SDK Release Request,compute and containerinstance the readme.go.md add batch tag

Author: Alancere

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

@@ -45,6 +45,7 @@ directive:
 
 ```yaml $(go) && $(multiapi)
 batch:
+  - tag: package-2021-04-01
   - tag: package-2021-03-01
   - tag: package-2020-12-01
   - tag: package-2020-10-01-preview
@@ -69,6 +70,16 @@ batch:
   - tag: package-container-service-2015-11-preview
 ```
 
+### Tag: package-2021-04-01 and go
+
+These settings apply only when `--tag=package-2021-04-01 --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-2021-04-01' && $(go)
+namespace: compute
+output-folder: $(go-sdk-folder)/services/$(namespace)/mgmt/2021-04-01/$(namespace)
+```
+
 ### Tag: package-2021-03-01 and go
 
 These settings apply only when `--tag=package-2021-03-01 --go` is specified on the command line.

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

@@ -13,6 +13,7 @@ go:
 
 ``` yaml $(go) && $(multiapi)
 batch:
+  - tag: package-2021-03
   - tag: package-2020-11
   - tag: package-2019-12
   - tag: package-2018-10
@@ -25,6 +26,15 @@ batch:
   - tag: package-2017-08-preview
 ```
 
+### Tag: package-2021-03 and go
+
+These settings apply only when `--tag=package-2021-03 --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-2021-03' && $(go)
+output-folder: $(go-sdk-folder)/services/$(namespace)/mgmt/2021-03-01/$(namespace)
+```
+
 ### Tag: package-2020-11 and go
 
 These settings apply only when `--tag=package-2020-11 --go` is specified on the command line.