added jenkins file

Jenkinsfile

@@ -0,0 +1,27 @@
+pipeline {
+    agent any
+    tools {
+        jdk "jdk-17" // valid options are: "jdk-8", "jdk-16", "jdk-17" or "jdk-21", choose which one you need
+    }
+    stages {
+        stage('Clean') {
+            steps {
+                echo 'Cleaning Project'
+                sh 'chmod +x gradlew'
+                sh './gradlew clean'
+            }
+        }
+        stage('Build') {
+            steps {
+                echo 'Building'
+                sh './gradlew build'
+            }
+        }
+        stage('Publish') {
+            steps {
+                echo 'Deploying to Maven'
+                sh './gradlew publish'
+            }
+        }
+    }
+}