Added the maven-jar-plugin.

Author: suoapvs

pom.xml

@@ -8,7 +8,6 @@
     <artifactId>cremer-pople-method</artifactId>
     <version>2.0</version>
     <packaging>jar</packaging>
-
     <name>Cremer-Pople Method</name>
 
     <properties>
@@ -26,6 +25,18 @@
                     <target>1.8</target>
                 </configuration>
             </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+                <version>3.0.2</version>
+                <configuration>
+                    <archive>
+                        <manifest>
+                            <mainClass>com.cpm.Main</mainClass>
+                        </manifest>
+                    </archive>
+                </configuration>
+            </plugin>
         </plugins>
     </build>
 </project>