feat: add new macro to support async client #452

Job	Run time
linters (ubuntu-latest)	2m 12s
security-audit	3m 12s
build-examples (ubuntu-latest)	2m 14s
linters (macos-latest)	1m 54s
unit-test (ubuntu-latest)	3m 58s
build-examples (macos-latest)	2m 22s
unit-test (macos-latest)	2m 20s
build-examples (windows-2019)	5m 51s
unit-test (windows-2019)	6h 0m 10s
ci	0s
	6h 24m 13s

Provide feedback