Update README.md

Author: x7c1

README.md

@@ -10,7 +10,7 @@ Studyplus SDK for Android
 
 ##Import in your Project
 
-Graddle Project
+###Gradle
 
 ```groovy
 repositories {
@@ -21,6 +21,18 @@ dependencies {
 }
 ```
 
+###Maven
+
+```
+<dependency>
+  <groupId>jp.studyplus.android.sdk</groupId>
+  <artifactId>studyplus-android-sdk</artifactId>
+  <version>1.0.2</version>
+</dependency>
+```
+
+or download the latest JAR [via Central Repository](http://search.maven.org/#search%7Cga%7C1%7Cstudyplus)
+
 ## Usage
 
 ### Authenticate