Add central publishing package

Author: matthewelwell

pom.xml

@@ -4,9 +4,9 @@
   xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
-  <groupId>com.flagsmith</groupId>
+  <groupId>io.flagsmith</groupId>
   <artifactId>flagsmith-java-client</artifactId>
-  <version>7.4.2</version>
+  <version>7.4.2.alpha1</version>
   <packaging>jar</packaging>
 
   <name>Flagsmith Java Client</name>
@@ -181,6 +181,16 @@
   <build>
     <finalName>flagsmith-java-client-${project.version}</finalName>
     <plugins>
+      <plugin>
+        <groupId>org.sonatype.central</groupId>
+        <artifactId>central-publishing-maven-plugin</artifactId>
+        <version>0.6.0</version>
+        <extensions>true</extensions>
+        <configuration>
+          <publishingServerId>central</publishingServerId>
+          <autoPublish>true</autoPublish>
+        </configuration>
+      </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-compiler-plugin</artifactId>