[📑 Docs]: Normalize structure: Chaos Engineering — Route 53 Failover

[blkgrlcto]

What docs changes are you proposing?

Source: https://docs.localstack.cloud/aws/tutorials/route-53-failover/

What’s missing

• Intro
• Prerequisites
• Architecture diagram
• Steps
• Testing the application
• Conclusion

Proposed edits

• Add ## Testing the application verifying failover cutover with dig/curl.
• Add ## Conclusion summarizing resilience takeaways.

Acceptance criteria

• Dedicated Testing the application + Conclusion sections added.

Code of Conduct

• I agree to follow this project's Code of Conduct