feat add Jenkinsfile

Jenkinsfile

@@ -0,0 +1,21 @@
+pipeline {
+    agent any
+    stages {
+        stage('Build') {
+            steps {
+                sh 'echo build'
+            }
+        }
+        stage('Test'){
+            steps {
+                sh 'echo test'
+            }
+        }
+        stage('Deploy') {
+            steps {
+                sh 'echo publish'
+            }
+        }
+    }
+}
+