Update README.md

Author: avisper

README.md

@@ -1,4 +1,4 @@
-[![](https://jitpack.io/v/avisper/EasyCompoundButtonGroup.svg)](https://jitpack.io/#avisper/EasyCompoundButtonGroup)
+[![](https://jitpack.io/v/avisper/EasyCompoundButtonGroup.svg)](https://jitpack.io/#avisper/EasyCompoundButtonGroup) [![API](https://img.shields.io/badge/API-14%2B-brightgreen.svg?style=flat)](https://android-arsenal.com/api?level=14)
 
 
 # EasyCoumpoundButtonGroup
@@ -32,7 +32,7 @@ dependencies {
     ...
     
     // EasyCompoundButtonGroup
-    implementation 'com.github.avisper:EasyCompoundButtonGroup:1.0.0'
+    implementation 'com.github.avisper:EasyCompoundButtonGroup:x.x.x'
 }
 ```