Update README to match standard structure

[hello-ashleyintech]

Type of change (place an x in the [ ] that applies)

• [ ] New sample
• [ ] New feature
• [ ] Bug fix
• [x] Documentation

Summary

This PR updates the future branch README to match the structure of other next-gen sample apps.

Requirements (place an x in each [ ] that applies)

• [x] I’ve checked my submission against the Samples Checklist to ensure it complies with all standards
• [x] I have ensured the changes I am contributing align with existing patterns and have tested and linted my code
• [x] I've read and agree to the Code of Conduct