chore: add links section to README (#3381)

These links will eventually be surfaced on pkg.go.dev.

Related: golang/go#42968

README.md

@@ -175,3 +175,11 @@ for more information.
 [cloud-video]: https://cloud.google.com/video-intelligence/
 [cloud-vision]: https://cloud.google.com/vision
 [cloud-webrisk]: https://cloud.google.com/web-risk/
+
+## Links
+
+- [Go on Google Cloud](https://cloud.google.com/go/home)
+- [Getting started with Go on Google Cloud](https://cloud.google.com/go/getting-started)
+- [App Engine Quickstart](https://cloud.google.com/appengine/docs/standard/go/quickstart)
+- [Cloud Functions Quickstart](https://cloud.google.com/functions/docs/quickstart-go)
+- [Cloud Run Quickstart](https://cloud.google.com/run/docs/quickstarts/build-and-deploy#go)