copilot: restructure examples section

Signed-off-by: David Karlsson <35727626+dvdksn@users.noreply.github.com>

content/manuals/copilot/examples.md

@@ -11,28 +11,35 @@ weight: 30
 The Docker for GitHub Copilot extension is an [early access](/release-lifecycle#early-access-ea) product.
 {{% /restricted %}}
 
+## Use cases
+
 Here are some examples of the types of questions you can ask the Docker agent:
 
-## Ask general Docker questions
+### Ask general Docker questions
 
 You can ask general question about Docker. For example:
 
 - `@docker what is a Dockerfile?`
 - `@docker how do I build a Docker image?`
 - `@docker how do I run a Docker container?`
+- `@docker what does 'docker buildx imagetools inspect' do?`
 
-## Get help containerizing your project
+### Get help containerizing your project
 
 You can ask the agent to help you containerize your existing project:
 
 - `@docker can you help create a compose file for this project?`
 - `@docker can you create a Dockerfile for this project?`
 
-The Docker agent will analyze your project, generate the necessary files, and,
-if applicable, offer to [raise a pull request](#performing-actions-on-your-behalf)
-with the necessary Docker assets.
+#### Opening pull requests
 
-## Analyze a project for vulnerabilities
+The Docker agent will analyze your project, generate the necessary files, and,
+if applicable, offer to raise a pull request with the necessary Docker assets.
+
+Automatically opening pull requests against your repositories is only available
+when the agent generates new Docker assets.
+
+### Analyze a project for vulnerabilities
 
 The agent can help you improve your security posture with [Docker
 Scout](/manuals/scout/_index.md):