docs: update README

Author: codeestX

README.md

@@ -1,6 +1,6 @@
 # RxSocketClient
 
-[![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg)](https://github.com/codeestX/RxSocketClient/pulls) [![API](https://img.shields.io/badge/API-20%2B-brightgreen.svg)](https://android-arsenal.com/api?level=20) [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)
+[![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg)](https://github.com/codeestX/RxSocketClient/pulls) [![API](https://img.shields.io/badge/API-20%2B-brightgreen.svg)](https://android-arsenal.com/api?level=20) [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)[![](https://jitpack.io/v/codeestX/RxSocketClient.svg)](https://jitpack.io/#codeestX/RxSocketClient)
 
 RxSocketClient, Reactive Socket APIs for Android, Java and Kotlin, powered by RxJava2  
 RxSocketClient，支持Android，Java和Kotlin的响应式Socket APIs封装，基于RxJava2
@@ -9,6 +9,21 @@ RxJava2 Version: 2.1.1
 
 # Usage
 
+Step 1. Add the JitPack repository to your build file
+
+	allprojects {
+		repositories {
+			...
+			maven { url "https://jitpack.io" }
+		}
+	}
+   
+Step 2. Add the dependency
+
+	dependencies {
+	        compile 'com.github.codeestX:RxSocketClient:v1.0.0'
+	}
+	
 ### init
 ```java
 SocketClient mClient = RxSocketClient
@@ -40,33 +55,33 @@ SocketClient mClient = RxSocketClient
 ### connect
 ```java
 Disposable ref = mClient.connect()
-			... // anything else what you can do with RxJava
+	... // anything else what you can do with RxJava
                 .observeOn(AndroidSchedulers.mainThread())
                 .subscribe(new SocketSubscriber() {
                     @Override
                     public void onConnected() {
-                    	//onConnected
+                        //onConnected
                         Log.e(TAG, "onConnected");
                     }
 
                     @Override
                     public void onDisconnected() {
-                    	//onDisconnected
+                        //onDisconnected
                         Log.e(TAG, "onDisconnected");
                     }
 
                     @Override
                     public void onResponse(@NotNull byte[] data) {
-                    	//receive data
+                        //receive data
                         Log.e(TAG, Arrays.toString(data));
                     }
                 }, new Consumer<Throwable>() {
-						   @Override
-						   public void accept(Throwable throwable) throws Exception {
-						      //onError
-						       Log.e(TAG, throwable.toString());
-						   }
-					  });
+                    @Override
+                    public void accept(Throwable throwable) throws Exception {
+                        //onError
+                        Log.e(TAG, throwable.toString());
+                    }
+                });
 ```
 
 ### disconnect