Add Google GenAI plugin samples #1319

Job	Run time
build-lint-test (3.14, windows-latest)	7m 38s
build-lint-test (3.10, macos-arm)	6h 0m 21s
build-lint-test (3.10, macos-intel)	11m 40s
build-lint-test (3.14, macos-arm)	6m 49s
build-lint-test (3.10, windows-latest)	7m 43s
build-lint-test (3.10, ubuntu-latest)	6m 22s
build-lint-test (3.14, macos-intel)	8m 55s
build-lint-test (3.14, ubuntu-latest)	6m 25s
	6h 55m 53s

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