docs(samples): add auto-generated Node samples (#488)
docs(samples): add auto-generated Node samples (#488)

* docs(samples): add auto-generated Node samples build(generator): find protoc based on its bazel location

PiperOrigin-RevId: 398604509

Source-Link: https://github.com/googleapis/googleapis/commit/6ef16b9ecf427f387fa88e9b20b9355e64c863f0

Source-Link: https://github.com/googleapis/googleapis-gen/commit/8314e1ead3e906dbf2012ced8d92f2bc8dd45c95
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiODMxNGUxZWFkM2U5MDZkYmYyMDEyY2VkOGQ5MmYyYmM4ZGQ0NWM5NSJ9

* 🦉 Updates from OwlBot

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* build: update samples engine

Co-authored-by: Owl Bot <7f39581e9a7ddb69f3fa3e6fc69a582ea2916fc9@users.noreply.github.com>
Co-authored-by: Sofia Leon <4a6fc58e53c762dd9865115c6b46aba684c78b9f@google.com>
GoogleCloudPlatform/nodejs-docs-samples,GoogleCloudPlatform/nodejs-docs-samples,GoogleCloudPlatform/nodejs-docs-samples,GoogleCloudPlatform/nodejs-docs-samples