* Improve README.md

Author: zulffaza

README.md

@@ -5,9 +5,18 @@ Please feel free to relay your comments, suggestions or corrections through pull
 
 ### Setup
 
-<hr>
+##### Option 1 - Import Final JAR Into Your Java Project
+
+> You can get final JAR to import into your Java project by download it from urls below.    
+> [Release note](https://github.com/bliblidotcom/seller-api-client-java/releases)
+
+- v1.2.0-1 : https://github.com/bliblidotcom/seller-api-client-java/releases/tag/1.2.0-1
+- v1.1.0-1 : https://github.com/bliblidotcom/seller-api-client-java/releases/tag/1.1.0-1
 
-##### Maven
+##### Option 2 - Import Maven Dependency
+
+> You can import final JAR into your Java project using maven.   
+> Add the following code in your pom.xml.
 
 ```xml
 <!-- Add seller api client dependency -->
@@ -19,7 +28,7 @@ Please feel free to relay your comments, suggestions or corrections through pull
 
 <!-- Set seller api client version -->
 <properties>
-    <seller-api-client.version>...</seller-api-client.version>
+    <seller-api-client.version>1.2.0-1</seller-api-client.version>
 </properties>
 
 <!-- add blibli bintray repository --> 
@@ -35,20 +44,18 @@ Please feel free to relay your comments, suggestions or corrections through pull
 </repositories>
 ```
 
-##### JAR
-
-> [Release note](https://github.com/bliblidotcom/seller-api-client-java/releases)
+##### Option 3 - Copy Client SDK Codes Into Your Java Project
 
-- v1.2.0-1 : https://github.com/bliblidotcom/seller-api-client-java/releases/tag/1.2.0-1
-- v1.1.0-1 : https://github.com/bliblidotcom/seller-api-client-java/releases/tag/1.1.0-1
+> To understand how code works, you can simply run code sample below.   
+> Then you can dive into the codes and copy it as your needs.
 
-### Code Sample
+### Sample Codes
 
 <hr>
 
 ##### OAuth Flow
 
-> Run App.java
+> Run App.java and it will work like the below sequence:
 
 1. Send token request to `https://api-uata.gdn-app.com/v2/oauth/token`
 2. Send refresh token request with `[1]` response to `https://api-uata.gdn-app.com/v2/oauth/token`
@@ -57,7 +64,7 @@ Please feel free to relay your comments, suggestions or corrections through pull
 
 ##### Basic Auth Flow
 
-> Run AppBasicAuth.java
+> Run AppBasicAuth.java and it will work like the below sequence:
 
 1. Send order detail request to `https://api-uata.gdn-app.com/v2/proxy/mta/api/businesspartner/v1/order/orderDetail`
 2. Send fulfill order request with package id from `[1]` to `https://api-uata.gdn-app.com/v2/proxy/seller/v1/orders/regular/{packageId}/fulfill`