Update README to include example and better configuration instructions

Author: manavo

README.md

@@ -10,6 +10,8 @@ composer require manavo/laravel-bootstrap-forms ~0.0
 
 ## Configure
 
+Make sure you comment out the existing HtmlServiceProvider (Illuminate\Html\HtmlServiceProvider):
+
 ```php
 <?php
 // File: app/config/app.php
@@ -25,3 +27,21 @@ return array(
     // ...
 );
 ```
+
+No change is necessary for the Form Facade.
+
+## Example
+
+```
+{{ Form::open([ 'route' => 'posts.store' ]) }}
+
+    {{ Form::openGroup('title', 'Title') }}
+        {{ Form::text('title') }}
+    {{ Form::closeGroup() }}
+
+    {{ Form::openGroup('status', 'Status') }}
+        {{ Form::select('status', $statusOptions) }}
+    {{ Form::closeGroup() }}
+
+{{ Form::close() }}
+```