add useHostForBundles to README docs (#97)

Readme.md

@@ -2,13 +2,13 @@
 
 # snippet
 
-  Render the analytics.js snippet.
+Render the analytics.js snippet.
 
-  The recommended way to use analytics.js is to follow the [analytics.js quickstart guide](https://segment.com/docs/connections/sources/catalog/libraries/website/javascript/quickstart/). If you absolutely need to generate a snippet dynamically, this is an alternate solution. Note that when using this in-browser, the global `analytics` object will not be defined until the snippet is rendered and executed.
+The recommended way to use analytics.js is to follow the [analytics.js quickstart guide](https://segment.com/docs/connections/sources/catalog/libraries/website/javascript/quickstart/). If you absolutely need to generate a snippet dynamically, this is an alternate solution. Note that when using this in-browser, the global `analytics` object will not be defined until the snippet is rendered and executed.
 
-  This package is supported on IE8+, Chrome, Firefox, Safari 9, Microsoft Edge, Node.js 0.10+
+This package is supported on IE8+, Chrome, Firefox, Safari 9, Microsoft Edge, Node.js 0.10+
 
-  For IE7 support, install a global `JSON` polyfill on the page prior to loading this package.
+For IE7 support, install a global `JSON` polyfill on the page prior to loading this package.
 
 ## Example
 
@@ -32,15 +32,16 @@ var contents = snippet.max({
 
 ### snippet.max(options)
 
-  Returns the maxified version of the analytics.js snippet given a set of `options`:
+Returns the maxified version of the analytics.js snippet given a set of `options`:
 
-  * `host`: the domain name where the analytics.js script is hosted.
-  * `apiKey`: the `apiKey` to load in the snippet.
-  * `page`: the options to pass to `analytics.page`. if `page` is `false`, then the `page()` call will be omitted.
-  * `load`: if set to `false` the `load()` call will be omitted. This is useful for if you want dynamically control the load process on the client-side for things like GDPR.
-  * `ajsPath`: override the default analytics.min.js location
+* `host`: the domain name where the analytics.js script is hosted.
+* `useHostForBundles`: If set to `true`, the snippet will include the `_cdn` property to tell analytics.js where to fetch bundles from.
+* `apiKey`: the `apiKey` to load in the snippet.
+* `page`: the options to pass to `analytics.page`. if `page` is `false`, then the `page()` call will be omitted.
+* `load`: if set to `false` the `load()` call will be omitted. This is useful for if you want dynamically control the load process on the client-side for things like GDPR.
+* `ajsPath`: override the default analytics.min.js location
 
 
 ### snippet.min(options)
 
-  Returns the minified version of the snippet.
+Returns the minified version of the snippet.