add maven-gpg-plugin

Author: marevol

pom.xml

@@ -127,6 +127,20 @@
 					<configFile>https://www.codelibs.org/assets/formatter/eclipse-formatter-1.0.xml</configFile>
 				</configuration>
 			</plugin>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-gpg-plugin</artifactId>
+				<version>3.2.7</version>
+				<executions>
+					<execution>
+						<id>sign-artifacts</id>
+						<phase>verify</phase>
+						<goals>
+							<goal>sign</goal>
+						</goals>
+					</execution>
+				</executions>
+			</plugin>
 			<plugin>
 				<groupId>org.sonatype.central</groupId>
 				<artifactId>central-publishing-maven-plugin</artifactId>