v1.0.0

Migrate to .NET 10 and github pipeline

What's Changed

• Implement gemini-code-assist feedback: fix test structure and reduce duplication by @Copilot in #2
• Modernize: .NET 10, GitHub Actions CI/CD, tests, packaging by @evilz-agent in #1
• Fix build failure: downgrade Microsoft.Graph to available version and remove duplicate test file by @Copilot in #3
• Fix Linux packaging tarball self-inclusion in CI by @Copilot in #4

New Contributors

• @Copilot made their first contribution in #2
• @evilz-agent made their first contribution in #1

Full Changelog: https://github.com/evilz/todo-cli/commits/v1.0.0