docs for using url

README.md

@@ -64,10 +64,10 @@ import { saveAs } from 'file-saver/FileSaver';
 ```
 
 ```js
-FileSaver saveAs(Blob/File data, optional DOMString filename, optional Boolean disableAutoBOM)
+FileSaver saveAs(Blob/File/Url, optional DOMString filename, optional Boolean autoBOM)
 ```
 
-Pass `true` for `disableAutoBOM` if you don't want FileSaver.js to automatically provide Unicode text encoding hints (see: [byte order mark](https://en.wikipedia.org/wiki/Byte_order_mark)).
+Pass `true` for `autoBOM` if you don't want FileSaver.js to automatically provide Unicode text encoding hints (see: [byte order mark](https://en.wikipedia.org/wiki/Byte_order_mark)).
 
 Examples
 --------
@@ -86,6 +86,16 @@ var blob = new Blob(["Hello, world!"], {type: "text/plain;charset=utf-8"});
 FileSaver.saveAs(blob, "hello world.txt");
 ```
 
+### Saving urls
+
+```js
+FileSaver.saveAs("https://httpbin.org/image", "image.jpg");
+```
+Using urls within the same origin will just use `a[download]`
+Otherwise it will first check if it supports cors header with a synchronously head request
+if it dose it will download the data and save it using blob urls
+if not it will try to download it using `a[download]`
+
 The standard W3C File API [`Blob`][4] interface is not available in all browsers.
 [Blob.js][5] is a cross-browser `Blob` implementation that solves this.
 

bower.json

@@ -16,6 +16,7 @@
   "ignore": [
       "*",
       "!FileSaver.*js",
+      "!FileSaver.*map",
       "!LICENSE.md"
   ]
 }