Implement .NET Aspire application with .NET 9, OpenTelemetry, and controller-based API#1

Copilot wants to merge 3 commits intomainrogerbriggen/aspire_otel_test:mainfrom

copilot/fix-c306c3ed-bce5-4e18-ae71-db0ec614c46arogerbriggen/aspire_otel_test:copilot/fix-c306c3ed-bce5-4e18-ae71-db0ec614c46aCopy head branch name to clipboard