AS4 migration guide - one more editing pass

[rkoron007]

• adding the disclaimer component to the "getting started" article, instead of hard-coding that language.

[changeset-bot]

⚠️ No Changeset found

Latest commit: 0c2e253

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Click here to learn what changesets are, and how to add one.

Click here if you're a maintainer who wants to add a changeset to this PR

[netlify]

✅ Deploy Preview for apollo-server-docs ready!

Name	Link
🔨 Latest commit	0c2e253
🔍 Latest deploy log	https://app.netlify.com/sites/apollo-server-docs/deploys/62ed6f51717057000863be28
😎 Deploy Preview	https://deploy-preview-6751--apollo-server-docs.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site settings.

[codesandbox-ci]

This pull request is automatically built and testable in CodeSandbox.

To see build info of the built libraries, click here or the icon next to each commit SHA.

Latest deployment of this branch, based on commit 0c2e253:

Sandbox	Source
Apollo Server Typescript	Configuration
Apollo Server	Configuration

[StephenBarlow]

Just some miscellaneous copy tweaks!

[trevor-scheer]

@rkoron007 don't mind the smoke test failure, that's definitely not on you. Maybe some flakiness @glasser and I need to take a look at.

[glasser]

I skimmed this PR and it generally looks great! I know you and Trevor have had several rounds already so I'm not surprised that I don't have much left to say :)