Adding encryption example using a KMS and JWT-based auth #660

Job	Run time
build-lint-test (3.9, ubuntu-latest)	5m 13s
build-lint-test (3.9, macos-intel)	8m 19s
build-lint-test (3.9, macos-arm)	7m 5s
build-lint-test (3.9, windows-latest)	5m 45s
build-lint-test (3.12, ubuntu-latest)	5m 18s
build-lint-test (3.12, macos-intel)	6m 37s
build-lint-test (3.12, macos-arm)	5m 5s
build-lint-test (3.12, windows-latest)	5m 56s
	49m 18s

Provide feedback