Replaced `<TargetFramework>` with `<TargetFrameworks>` to allow for future multi-targeting. Enabled XML documentation file generation with `<GenerateDocumentationFile>`. Added project metadata including `<PackageId>`, `<Authors>`, `<Company>`, `<Product>`, and versioning properties (`<Version>`, `<FileVersion>`, `<AssemblyVersion>`). Included copyright notice and documentation file path configuration.