track1 add batch tag compute (#15800)

Author: Alancere

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

@@ -48,6 +48,7 @@ directive:
 
 ```yaml $(go) && $(multiapi)
 batch:
+  - tag: package-2021-07-01
   - tag: package-2021-04-01
   - tag: package-2021-03-01
   - tag: package-2020-12-01
@@ -73,6 +74,16 @@ batch:
   - tag: package-container-service-2015-11-preview
 ```
 
+### Tag: package-2021-07-01 and go
+
+These settings apply only when `--tag=package-2021-07-01 --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-2021-07-01' && $(go)
+namespace: compute
+output-folder: $(go-sdk-folder)/services/$(namespace)/mgmt/2021-07-01/$(namespace)
+```
+
 ### Tag: package-2021-04-01 and go
 
 These settings apply only when `--tag=package-2021-04-01 --go` is specified on the command line.