improve README

Author: froque

README.md

@@ -1,28 +1,27 @@
 # VSIXInteropFormsToolkit
 Visual Studio 2015 extension, with command tool to generate interop wrapper classes. adapted from add-in.
 
-https://visualstudiogallery.msdn.microsoft.com/31b6a154-3c85-4892-8cea-797460579912
+ * [VSIXInteropFormsToolkit in Visual Studio Marketplace](https://visualstudiogallery.msdn.microsoft.com/31b6a154-3c85-4892-8cea-797460579912) 
 
 See:
 
-http://www.codeproject.com/Articles/15690/VB-C-Interop-Form-Toolkit
-
-http://www.codeproject.com/Articles/18954/Interop-Forms-Toolkit-Tutorial
-
-https://www.microsoft.com/en-us/download/details.aspx?id=3264
-
-https://interoptoolkitcs.codeplex.com (also imported to https://github.com/froque/interoptoolkitcs)
+ * [VB6 - C# Interop Form Toolkit](http://www.codeproject.com/Articles/15690/VB-C-Interop-Form-Toolkit)
+ * [Interop Forms Toolkit 2.0 Tutorial](http://www.codeproject.com/Articles/18954/Interop-Forms-Toolkit-Tutorial)
+ * [Microsoft InteropForms Toolkit 2.1](https://www.microsoft.com/en-us/download/details.aspx?id=3264)
+ * [Interop Forms Toolkit for C#](https://interoptoolkitcs.codeplex.com) (also imported to https://github.com/froque/interoptoolkitcs)
+ * [Similar extension in Visual Studio Marketplace](https://marketplace.visualstudio.com/items?itemName=MiguelLe.MicrosoftInteropFormToolsInteropFormProxyGenerator) ([source code](https://github.com/hurcane/Microsoft.InteropFormTools.InteropFormProxyGenerator))
 
 ### Info
 At present state this tool does not override files previously generated. 
 When forms with unsupported parameter types are found, the initialize method will be generated with a paramenter with the root type "Object".
 
 ### How to Debug 
 
-Open project properties 
-- Start Action 
+Open project properties
+- choose Debug
+- In Start Action 
 	- choose "Start external program"
-	- and write path to visual studio. (Ex: "C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\IDE\devenv.exe")
+	- and write path to visual studio. (Ex: `C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\IDE\devenv.exe`)
 - On Command line arguments "/rootsuffix Exp"
 - Start application
 - Create project in newly opened VS window