chore(readme): add maven/jcenter version badges

Author: tinesoft

README.md

@@ -2,6 +2,7 @@
 # spring-esdata-loader
 [![Build  Status](https://travis-ci.org/tinesoft/spring-esdata-loader.svg?branch=master)](https://travis-ci.org/tinesoft/spring-esdata-loader)
 [![codebeat badge](https://codebeat.co/badges/3c8b3893-a79e-4e3d-b769-a9285c771be2)](https://codebeat.co/projects/github-com-tinesoft-spring-esdata-loader-master)
+![GitHub](https://img.shields.io/github/license/tinesoft/spring-esdata-loader)
 
 `spring-esdata-loader` is a Java testing library to help you write integration tests for your [spring-data elasticsearch](https://spring.io/projects/spring-data-elasticsearch)-based projects, by allowing you to easily load data into Elasticsearch, using entity mappings (i.e domain classes annotated with `@Document`, `@Field`, etc) and via specific **Junit 4**'s Rules or **JUnit Jupiter**'s Extensions.
 
@@ -25,7 +26,7 @@ The library reads all the metadata it needs from the entity classes (index name,
 
 ## Installation & Usage
 
-The library is splitted into 2 independent sub-modules, both will be available on [JCenter](https://bintray.com/bintray/jcenter?filterByPkgName=spring-esdata-loader) and [Maven Central](https://search.maven.org/search?q=spring-esdata-loader):
+The library is splitted into 2 independent sub-modules, both are available on [JCenter](https://bintray.com/bintray/jcenter?filterByPkgName=spring-esdata-loader) and [Maven Central](https://search.maven.org/search?q=spring-esdata-loader):
 
 * `spring-esdata-loader-junit4` for testing with **JUnit 4**
 * `spring-esdata-loader-junit-jupiter` for testing with **JUnit Jupiter**

junit-jupiter/README.md

@@ -1,5 +1,8 @@
 # spring-esdata-loader-junit-jupiter
 
+[![Maven Central](https://img.shields.io/maven-central/v/com.github.tinesoft/spring-esdata-loader-junit-jupiter)](https://search.maven.org/artifact/com.github.tinesoft/spring-esdata-loader-junit-jupiter/?/jar)
+[![JCenter](https://img.shields.io/bintray/v/tinesoft/maven/spring-esdata-loader-junit-jupiter)](https:/@/bintray.com/tinesoft/maven/spring-esdata-loader-junit-jupiter/_latestVersion)
+
 **JUnit Jupiter** implementation of the library.
 
 The sub-module is all that is needed to start using the library with the brand new **JUnit Jupiter**. 

junit4/README.md

@@ -1,5 +1,8 @@
 # spring-esdata-loader-junit4
 
+[![Maven Central](https://img.shields.io/maven-central/v/com.github.tinesoft/spring-esdata-loader-junit4)](https://search.maven.org/artifact/com.github.tinesoft/spring-esdata-loader-junit4/?/jar)
+[![JCenter](https://img.shields.io/bintray/v/tinesoft/maven/spring-esdata-loader-junit4)](https://bintray.com/tinesoft/maven/spring-esdata-loader-junit4/_latestVersion)
+
 **JUnit 4** implementation of the library.
 
 This sub-module is that is needed to start using the library with **JUnit 4**.