add nexus-staging Maven plugin

Author: lofidewanto

pom.xml

@@ -199,6 +199,17 @@
 			</activation>
 			<build>
 				<plugins>
+					<plugin>
+                		<groupId>org.sonatype.plugins</groupId>
+               	 		<artifactId>nexus-staging-maven-plugin</artifactId>
+                		<version>1.6.8</version>
+                		<extensions>true</extensions>
+                		<configuration>
+                    		<serverId>ossrh</serverId>
+                    		<nexusUrl>https://oss.sonatype.org/</nexusUrl>
+                    		<autoReleaseAfterClose>true</autoReleaseAfterClose>
+                		</configuration>
+            		</plugin>
 					<plugin>
 						<groupId>org.apache.maven.plugins</groupId>
 						<artifactId>maven-gpg-plugin</artifactId>