Use an IConsole instance to register and handle cancellation when CTRL+C is pressed

Author: MaggieKimani1

src/Microsoft.OpenApi.Hidi/Handlers/TransformCommandHandler.cs

@@ -50,6 +50,8 @@ public async Task<int> InvokeAsync(InvocationContext context)
             string filterbyoperationids = context.ParseResult.GetValueForOption(FilterByOperationIdsOption);
             string filterbytags = context.ParseResult.GetValueForOption(FilterByTagsOption);
             string filterbycollection = context.ParseResult.GetValueForOption(FilterByCollectionOption);
+
+            var console = context.Console;
             CancellationToken cancellationToken = (CancellationToken)context.BindingContext.GetService(typeof(CancellationToken));
 
             using var loggerFactory = Logger.ConfigureLogger(logLevel);