add browser bundle

Author: xz64

.gitignore

@@ -1,2 +1,4 @@
 /node_modules
-/lib
+/lib
+/dist
+/.rpt2_cache

README.md

@@ -52,6 +52,12 @@ In CommonJS format you should use:
 const Store = require('repatch').default;
 ```
 
+In the browser you should use:
+
+```javascript
+var Store = Repatch.default;
+```
+
 Repatch's interface is very similar to Redux, therefore you can use with [react-redux](https://www.npmjs.com/package/react-redux).
 
 ```javascript
@@ -218,4 +224,4 @@ it('fetchUsers', async () => {
 
 ## Developed by
 
-[![JayStack](http://jaystack.com/wp-content/uploads/2017/08/jaystack_logo_transparent_50.png)](http://jaystack.com/)
+[![JayStack](http://jaystack.com/wp-content/uploads/2017/08/jaystack_logo_transparent_50.png)](http://jaystack.com/)