Add snapshot directory

For Java client.

Author: acogoluegnes

pom.xml

@@ -689,5 +689,14 @@
 
   </profiles>
 
+  <repositories>
+      <repository>
+          <id>central-portal-snapshots</id>
+          <url>https://central.sonatype.com/repository/maven-snapshots/</url>
+          <snapshots><enabled>true</enabled></snapshots>
+          <releases><enabled>false</enabled></releases>
+      </repository>
+  </repositories>
+
 </project>