fix jenkinsfile structure, add retry(5) to checkout

platform/Jenkinsfile

@@ -14,6 +14,7 @@ pipeline {
     stages {
         stage('Checkout') {
             steps {
+                retry(5) {
                     checkout([
                         $class: 'GitSCM',
                         branches: scm.branches,
@@ -23,11 +24,12 @@ pipeline {
                             shallow: true,
                             depth: 1,
                             noTags: true,
-                        timeout: 20
+                            timeout: 30
                         ]]
                     ])
                 }
             }
+        }
 
         stage('Build Docker Image') {
             steps {
@@ -90,7 +92,7 @@ pipeline {
             echo '✅ Pipeline succeeded — build + Sonar passed, deployed to k8s'
         }
         failure {
-            echo '❌ Pipeline failed  check logs'
+            echo '❌ Pipeline failed — check logs'
         }
     }
 }