adding jenkins pipeline

Jenkinsfile

@@ -0,0 +1,29 @@
+pipeline {
+    agent any
+
+    stages {
+        stage('Checkout') {
+            steps {
+                git branch: 'main', url: 'https://git.winteraccess.id/winter-access/backend_nam.git'
+            }
+        }
+
+        stage('Pulling, Building, and Deploying') {
+            steps {
+                sh 'cd /home/developer/backend_nam'
+                sh 'git pull origin main'
+                sh 'go mod tidy'
+                sh 'go build -o myapp'
+            }
+        }
+
+
+        stage('Restart Service') {
+            steps {
+                // Add your deployment steps here
+                sh 'sudo systemctl daemon-reload'
+                sh 'sudo systemctl restart backend-nam'
+            }
+        }
+    }
+}