Add maven coordinates to README

Author: sigpwned

README.md

@@ -312,3 +312,13 @@ For example, if you were working directly with the [Twitter REST API](https://de
  String screenName=o.get("screen_name").asScalar().asString().stringVal();
  int followers=o.get("followers_count").asScalar().asNumber().intVal(); // 143916
  boolean following=o.get("following").asScalar().asBoolean().booleanVal(); // false
+ 
+## Maven
+
+The latest version of Jsonification is available from Maven Central at the following coordinates:
+
+ <dependency>
+  <groupId>com.sigpwned</groupId>
+  <artifactId>jsonification</artifactId>
+  <version>3.0.5</version>
+ </dependency>