chore(npm package): fix up the npm package.json and fix documentation on how to install

Author: BigAB

README.md

@@ -19,13 +19,13 @@ npm install --save @bigab/async-transform
 With [StealJS](http://stealjs.com/), you can import this module with ES6 imports:
 
 ```js
-import plugin from '@bigab/async-transform';
+import asyncTransform from '@bigab/async-transform';
 ```
 
 ### CommonJS
 
 ```js
-var plugin = require("@bigab/async-transform");
+var asyncTransform = require("@bigab/async-transform").default;
 ```
 
 ### Standalone
@@ -35,7 +35,7 @@ Load the `global` version of the plugin:
 ```html
 <script src='./node_modules/async-transform/dist/global/@bigab/async-transform.js'></script>
 <script>
-asyncTransform([transformFunctions], val);
+asyncTransform([transformFunctions], val); // added to window
 </script>
 ```
 

package.json

@@ -8,8 +8,12 @@
     "type": "git",
     "url": "git://github.com/BigAB/async-transform.git"
   },
+  "main": "dist/cjs/async-transform",
+  "module": "src/async-transform",
+  "browser": "dist/global/async-transform.js",
   "files": [
-    "dist/"
+    "dist/",
+    "src/async-transform.js"
   ],
   "author": {
     "name": "Adam L Barrett",
@@ -30,8 +34,6 @@
     "document": "documentjs",
     "develop": "done-serve --static --develop --port 8080"
   },
-  "main": "dist/cjs/async-transform",
-  "browser": "dist/global/async-transform",
   "keywords": [
     "async",
     "small modules"