Update 'Jenkinsfile'

add post section

Jenkinsfile

@@ -41,4 +41,20 @@ pipeline {
       }
     }
   }
+  post {
+        always {
+            chucknorris()
+        }
+        success {
+            echo 'The pipeline worked!'
+ 
+        }
+        failure {
+            echo 'The pipeline has failed'
+            emailext attachLog: true,
+                    to: 'jenkinsbuilds@d4science.org',
+                    subject: "[JenkinsDependenciesWalker D4S] build ${currentBuild.fullDisplayName} failed for component  ${inputProject}",
+                    body: "Something is wrong with ${env.BUILD_URL}"
+        }
+    }
 }