Converted to net6.0

Json2CSharpCodeGenerator.WinForms/Program.cs

@@ -0,0 +1,16 @@
+namespace Json2CSharpCodeGenerator.Lib.WinForms;
+
+static class Program
+{
+    /// <summary>
+    ///  The main entry point for the application.
+    /// </summary>
+    [STAThread]
+    static void Main()
+    {
+        // To customize application configuration such as set high DPI settings or default font,
+        // see https://aka.ms/applicationconfiguration.
+        ApplicationConfiguration.Initialize();
+        Application.Run(new MainForm());
+    }
+}