Added Jenkinsfile

Jenkinsfile

 pipeline {
   agent any
   stages {
-    stage('Test') {
+    stage('Init') {
       steps {
-        echo 'Hello DevOps World!'
+        sh '''export PATH=$PATH:/var/jenkins_home
+terraform init'''
+      }
+    }
+
+    stage('Plam') {
+      steps {
+        sh '''export PATH=$PATH:/var/jenkins_home
+terraform plan'''
+      }
+    }
+
+    stage('Apply') {
+      steps {
+        sh '''export PATH=$PATH:/var/jenkins_home
+terraform apply -auto-approve'''
       }
     }