Update README.md

Added more Visual Studio info

Author: johnnyreilly

es6-babel-react-flux-karma/README.md

@@ -16,13 +16,13 @@ This will:
 2. Download the typings from DefinitelyTyped that you need.
 3. Compile the code and serve it up at [http://localhost:8080](http://localhost:8080)
 
-Now you need dev tools.  There's a world of choice out there; there's [Atom](https://atom.io/), there's [VS Code](https://www.visualstudio.com/en-us/products/code-vs.aspx), there's [Sublime](http://www.sublimetext.com/).  There's even something called [Visual Studio](www.visualstudio.com).  It's all your choice really.
+Now you need dev tools.  There's a world of choice out there; there's [Atom](https://atom.io/), there's [VS Code](https://www.visualstudio.com/en-us/products/code-vs.aspx), there's [Sublime](http://www.sublimetext.com/).  There's even something called [Visual Studio](http://www.visualstudio.com).  It's all your choice really.
 
 For myself I've been using Atom combined with the mighty [atom-typescript package](https://atom.io/packages/atom-typescript).  I advise you to give it a go.  You won't look back.
 
 ## I want to have an ASP.Net project and use Visual Studio + IIS Express to serve this instead
 
-If you drop this code into a Visual Studio ASP.Net project should should be good to go.  You'll need this section in your `web.config` to ensure Visual Studio serves from the `dist` directory:
+If you drop this code into an empty Visual Studio ASP.Net project should should be good to go.  You'll need this section in your `web.config` to ensure Visual Studio serves from the `dist` directory:
 
 ```
 <configuration>
@@ -40,3 +40,8 @@ If you drop this code into a Visual Studio ASP.Net project should should be good
 ```
 
 And rather than running `npm run serve` you'll want to use `npm run watch`.  (This builds / watches your code / runs tests etc but does **not** spin up a web server.)
+
+Finally you'll want to set the following TypeScript options for your project
+
+- ECMAScript Version: ECMAScript 6
+- JSX compilation in TSX files: Preserve