Update overview to include information about alerts during interruptions.mdx

[esutherland4]

Add information related to alert notifications and service interruptions - It appears a previous pull request entry has been removed or the page was deleted? https://github.com/newrelic/docs-website/pull/9707

Please follow conventional commit standards in your commit messages and pull request title.

Give us some context

• What problems does this PR solve?
• Add information related to alert notifications and service interruptions - It appears a previous pull request entry has been removed or the page was deleted? https://github.com/newrelic/docs-website/pull/9707
• Add any context that will help us review your changes such as testing notes, links to related docs, screenshots, etc.
• If your issue relates to an existing GitHub issue, please link to it.

[CLAassistant]

All committers have signed the CLA.

[github-actions[bot]]

Hi @esutherland4 👋

Thanks for your pull request! Your PR is in a queue, and a writer will take a look soon. We generally publish small edits within one business day, and larger edits within three days.

We will automatically generate a preview of your request, and will comment with a link when the preview is ready (usually 10 to 20 minutes).

[netlify[bot]]

✅ Deploy Preview for docs-website-netlify ready!

Name	Link
🔨 Latest commit	7db0c5efd0baff7b58f9dc2f643a9516a965a166
🔍 Latest deploy log	https://app.netlify.com/sites/docs-website-netlify/deploys/67041495d0a0c40008e6807b
😎 Deploy Preview	https://deploy-preview-18067--docs-website-netlify.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 configuration.

[ally-sassman]

@esutherland4 Can you please sign the CLA above so I can merge? Thanks!