Update package.json and README

Author: GStaehler

README.md

@@ -15,7 +15,7 @@ Welcome to **Window Engine**.  Window Engine is a lightweight javascript library
 
 ### Installation
 
-[GET Window Engine](https://gstaehler.github.io/get-window-engine/) :
+Download ZIP :
 
 ```html
 <link rel="stylesheet" href="dist/window-engine.min.css">
@@ -25,8 +25,8 @@ Welcome to **Window Engine**.  Window Engine is a lightweight javascript library
 OR Test it first :
 
 ```html
-<link rel="stylesheet" href="https://gstaehler.github.io/cdn/window-engine.min.css">
-<script src="https://gstaehler.github.io/cdn/window-engine.min.js"></script> // End of your file
+<link rel="stylesheet" href="https://unpkg.com/window-engine@4.3.5/dist/window-engine.min.css">
+<script src="https://unpkg.com/window-engine@4.3.5/dist/window-engine.min.js"></script> // End of your file
 ```
 
 &nbsp;

package.json

@@ -2,7 +2,12 @@
   "name": "window-engine",
   "version": "4.3.5",
   "description": "Lightweight and touchscreen friendly js library for draggable windows",
-  "main": "window-engine.js",
+  "main": "dist/window-engine.min.js",
+  "unpkg": "dist/window-engine.min.js",
+  "files": [
+    "dist/window-engine.min.js",
+    "dist/window-engine.min.css"
+  ],
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
     "minify": "uglifyjs src/window-engine.js --compress --mangle --warn --comments all --output dist/window-engine.min.js && uglifycss src/window-engine.css --output dist/window-engine.min.css"