Add mail notification to Jenkinsfile

tests/API-dhcp/Jenkinsfile

@@ -30,7 +30,7 @@ pipeline {
                         echo "$QINDEL_PASS" | sudo -S bash -c "echo '$new_ip api-test' >> /etc/hosts"
                         echo "IP: $new_ip"
                         curl -f -L -X 'GET' -H 'accept: application/json' "http://api-test/opengnsys3/rest/dhcp/subnets/"
-                    ''' 
+                    '''
                 }
             }
         }
@@ -48,4 +48,21 @@ pipeline {
             }
         }
     }
+    post {
+        always {
+            script {
+                def commiterEmail = sh(script: 'git log -1 --pretty=format:%ae', returnStdout: true).trim()
+                emailext(
+                    to: "${committerEmail}",
+                    subject: "Jenkins Job Completed: ${env.JOB_NAME} #${env.BUILD_NUMBER}",
+                    body: """
+                        El job '${env.JOB_NAME}' con número de build ${env.BUILD_NUMBER} ha finalizado.
+                        
+                        Estado: ${currentBuild.currentResult}
+                        
+                        Revisa los detalles del build en: ${env.BUILD_URL}
+                    """
+            }
+        }
+    }
 }