Attach the modello model which can be useful for generating tools

Author: gnodet

api/maven-api-model/pom.xml

@@ -76,6 +76,26 @@ under the License.
           </excludes>
         </configuration>
       </plugin>
+      <plugin>
+        <groupId>org.codehaus.mojo</groupId>
+        <artifactId>build-helper-maven-plugin</artifactId>
+        <version>3.4.0</version>
+        <executions>
+          <execution>
+            <goals>
+              <goal>attach-artifact</goal>
+            </goals>
+            <configuration>
+              <artifacts>
+                <artifact>
+                  <file>${basedir}/src/main/mdo/maven.mdo</file>
+                  <type>mdo</type>
+                </artifact>
+              </artifacts>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
     </plugins>
   </build>