Introduce UI option to choose between System.Graphics and ImageSharp for image processing. Update DataModel and MainForm for robust binding and synchronization. Rewrite ImageCreatorAlternate to use ImageSharp for core operations and GDI+ for overlays. Remove test buttons, add radio group for library selection. Update project dependencies to support new features and modernize image handling.
- Switched MaddoShared.Tests.csproj to Microsoft.NET.Sdk, added explicit MSTest and test SDK package references, and upgraded Microsoft.Extensions.Logging.Abstractions to 10.0.2.
- Added assessment.csv, assessment.json, and assessment.md with detailed .NET 10.0 compatibility analysis.
- Updated MaddoLibrary submodule reference (now marked as dirty).
