Add Scout GHA mentions to general section

Signed-off-by: Chris Chinchilla <chris.ward@docker.com>

build/ci/github-actions/index.md

@@ -28,6 +28,8 @@ The following GitHub Actions are available:
   builds.
 - [Docker Buildx Bake](https://github.com/marketplace/actions/docker-buildx-bake){:target="blank" rel="noopener" class=""}:
   enables using high-level builds with [Bake](../../bake/index.md).
+- [Docker Scout](https://github.com/docker/scout-action){:target="blank" rel="noopener" class=""}:
+  analyze Docker images for security vulnerabilities.
 
 Using Docker's actions provides an easy-to-use interface, while still allowing
 flexibility for customizing build parameters.
@@ -50,6 +52,7 @@ refer to the following sections:
 - [Share built image between jobs](share-image-jobs.md)
 - [Test before push](test-before-push.md)
 - [Update Docker Hub repository description](update-dockerhub-desc.md)
+- [Analyzing images with Docker Scout](../../../scout/ci.md)
 
 ## Get started with GitHub Actions
 

scout/ci.md

@@ -18,10 +18,9 @@ The following example works in a repository containing a Docker image's definiti
 image and uses Docker Scout to compare the new version to the current published
 version.
 
-<!-- Create action? -->
-
 First, set up the rest of the workflow. There's a lot that's not specific to Docker 
-Scout but needed to create the images to compare.
+Scout but needed to create the images to compare. For more details on those actions and using GitHub Actions 
+with Docker in general, see [the GitHub Actions documentation](../build/ci/github-actions/index.md).
 
 Add the following to a GitHub action YAML file: