docs: add javadoc task on site generation

work on #12

Author: bsorrentino

core-jdk8/pom.xml

@@ -52,4 +52,17 @@
   <build>
   </build>
 
+  <reporting>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-javadoc-plugin</artifactId>
+        <configuration>
+          <!-- Specify the Java version
+          <source>1.8</source>
+          -->
+        </configuration>
+      </plugin>
+    </plugins>
+  </reporting>
 </project>