[README] update for 0.13.0-alpha0

rogerwang · rogerwang · commit 0038f722e779 · 2015-05-11T10:32:27.000+08:00
diff --git a/README.md b/README.md
@@ -31,6 +31,12 @@ It was created in the Intel Open Source Technology Center.
  * Windows: [32bit](http://dl.nwjs.io/v0.12.1/nwjs-v0.12.1-win-ia32.zip) / [64bit](http://dl.nwjs.io/v0.12.1/nwjs-v0.12.1-win-x64.zip)
  * Mac 10.7+: [32bit](http://dl.nwjs.io/v0.12.1/nwjs-v0.12.1-osx-ia32.zip) / [64bit](http://dl.nwjs.io/v0.12.1/nwjs-v0.12.1-osx-x64.zip)
 
+* **v0.13.0-alpha0:** (May 10, 2015, based off of IO.js v1.5.1, Chromium 43.0.2357.45): [release notes](https://groups.google.com/d/msg/nwjs-general/IqfH1RXNGlw/2PgeRGHO-B4J)  
+ **NOTE** You might want the **SDK build**. Please read the [release notes](https://groups.google.com/d/msg/nwjs-general/IqfH1RXNGlw/2PgeRGHO-B4J)  
+ * Linux: [32bit](http://dl.nwjs.io/v0.13.0/alpha0/nwjs-v0.13.0-alpha0-linux-ia32.tar.gz) / [64bit](http://dl.nwjs.io/v0.13.0/alpha0/nwjs-v0.13.0-alpha0-linux-x64.tar.gz)
+ * Windows: [32bit](http://dl.nwjs.io/v0.13.0/alpha0/nwjs-v0.13.0-alpha0-win-ia32.zip) / [64bit](http://dl.nwjs.io/v0.13.0/alpha0/nwjs-v0.13.0-alpha0-win-x64.zip)
+ * Mac 10.7+: [32bit](http://dl.nwjs.io/v0.13.0/alpha0/nwjs-v0.13.0-alpha0-osx-ia32.zip) / [64bit](http://dl.nwjs.io/v0.13.0/alpha0/nwjs-v0.13.0-alpha0-osx-x64.zip)
+
 * **0.8.6:** (Apr 18, 2014, based off of Node v0.10.22, Chrome 30.0.1599.66) **If your native Node module works only with Node v0.10, then you should use node-webkit v0.8.x, which is also a maintained branch. [More info](https://groups.google.com/d/msg/nwjs-general/2OJ1cEMPLlA/09BvpTagSA0J)**  
 [release notes](https://groups.google.com/d/msg/nwjs-general/CLPkgfV-i7s/hwkkQuJ1kngJ)
 
