add jenkinsfile

Jenkinsfile

@@ -0,0 +1,11 @@
+pipeline {
+    agent any // Specifies that the pipeline can run on any available agent
+
+    stages {
+        stage('Hello') { // Defines a stage named 'Hello'
+            steps {
+                echo 'Hello World!' // Prints "Hello World!" to the console
+            }
+        }
+    }
+}