Updated README.md

Author: Rajush Shakya

README.md

@@ -114,16 +114,18 @@ Configure the options from the controller to set <code>dropdown-config</code>.
     divider,
     icon,
     displayBadge,
-    height
+    height,
+    filter
 </pre>
 
-<p><code>options</code>: Data to be displayed in dropdown list. This should be an array of objects.</p>
-<p><code>trackBy</code>: Any property name from the option object that should be used for tracking the selected item.</p>
-<p><code>displayBy</code>: An array that takes two values which will be used as data to be displayed in dropdown list, in a respective order. If it is not set, then it will automagically set the first two prooperty names as the values to be displayed.</p>
-<p><code>divider</code>: A custom divider sign setter <code>-, : , =, # ,......</code> between the dropdown list columns. Default is <code>-</code>.</p>
-<p><code>icon</code>: A custom icon setter for the selected items. Works with Font-Awesome too. Default is Bootstrap's glyphicons checkmark.</p>
-<p><code>displayBadge</code>: Badge on the dropdown button that displays the total number of selected items from the dropdown list. Default visibility is true, but could be set to false.</p>
-<p><code>height</code>: Height of the dropdown-box, in pixel, containing the list options. Default height is set to 300px.</p>
+<h6>options:</h6> <p>Data to be displayed in dropdown list. This should be an array of objects.</p>
+<h6>trackBy:</h6> <p>Any property name from the option object that should be used for tracking the selected item.</p>
+<h6>displayBy:</h6><p>An array that takes two values which will be used as data to be displayed in dropdown list, in a respective order. If it is not set, then it will automagically set the first two prooperty names as the values to be displayed.</p>
+<h6>divider:</h6> <p>A custom divider sign setter <code>-, : , =, # ,......</code> between the dropdown list columns. Default is <code>-</code>.</p>
+<h6>icon:</h6> <p>A custom icon setter for the selected items. Works with Font-Awesome too. Default is Bootstrap's glyphicons checkmark.</p>
+<h6>displayBadge:</h6> <p>Badge on the dropdown button that displays the total number of selected items from the dropdown list. Default visibility is <code>true</code>, but could be set to <code>false</code>.</p>
+<h6>height:</h6> <p>Height of the scrollable item list in a dropdown-box, in pixel. Default height is set to <code>200px</code>.</p>
+<h6>filter:</h6> <p>Filter/search items from the dropdown list. Default visibility is <code>false</code>, but could be set to <code>true</code>.</p>
 
 Controller:
 ```javascript
@@ -148,7 +150,8 @@ $scope.config = {
     divider: ':',
     icon: 'glyphicon glyphicon-heart',
     displayBadge: true,
-    height: '200px'
+    height: '200px',
+    filter: true
 };
 ```