Update README.md

Author: Zagumennyi Evgenii

README.md

@@ -34,7 +34,7 @@ Add the dependency
 
 ```groovy
 dependencies {
- compile 'com.github.zagum:Android-ExpandIcon:1.1.3'
+ compile 'com.github.zagum:Android-ExpandIcon:1.2.0'
 }
 ```
 
@@ -61,6 +61,7 @@ Fully customized implementation:
  app:eiv_color="#000"
  app:eiv_colorLess="#f00"
  app:eiv_colorMore="#00f"
+app:eiv_colorIntermediate="#0f0"
  app:eiv_roundedCorners="false"
  app:eiv_switchColor="true"
  app:eiv_padding="8dp"/>
@@ -74,6 +75,8 @@ Public methods:
  expandIconView.setState(ExpandIconView.LESS, true);
 
  expandIconView.setFraction(.3f, true);
+ 
+ expandIconView.setAnimationDuration(2000);
 ```
 
 See [sample](https://github.com/zagum/Android-ExpandIcon/tree/master/expandicon-sample) project for more information.