v4.4.0
Updated files to file-scoped namespace. Removed an unnecessary NuGet package from the console and WPF apps. Fixed broken link in README.md to the configuration instructions section. Changed the name of app settings node from sharesSettings to SharesGainLossTracker. Enabled nullability in the console and WPF apps, and made the necessary changes for this. Added new test SaveMemoryStreamToFile_ThrowsArgumentNullException_GivenNullFullFilePath().