Merge pull request #134 from akkumar/doc_cli

Add specific snippet for easy integration of ng2-tree with angular cli

Author: Georgii Rychko

README.md

@@ -104,6 +104,16 @@ class MyComponent {
 ```
 
 3. Apart from that, in order to have usable tree in the browser, you need to add **ng2-tree styles** which you can find in your `node_modules/ng2-tree/styles.css`
+
+In Angular 2/4 cli projects, modify **.angular-cli.json** as below:
+
+```typescript
+
+      "styles": [
+        "styles.css",
+        "../node_modules/ng2-tree/styles.css"
+      ],
+```
 4. And finally, I suppose, you'd want to listen to events generated by ng2-tree (for a full list of supported events look at the [API](#wrench-api)). No problem, this is also easy to do - for example let's add a listener for `node was selected` kind of events:
 
 ```typescript