draft: ci: add ui build step

ci/Jenkinsfile

@@ -9,15 +9,28 @@ pipeline {
     }
 
     stages {
-        stage('Build Backend') {
-            steps {
-                container('python') {
-                    dir('svc') {
-                        sh '. ../ci/build-svc.sh'
+        stage('Build') {
+            parallel {
+                stage('Build Backend') {
+                    steps {
+                        container('python') {
+                            dir('svc') {
+                                sh '. ../ci/build-svc.sh'
+                            }
+                        }
+                    }
+                }
+
+                stage('Build Frontent') {
+                    steps {
+                        container('node') {
+                            dir('ui') {
+                                sh '. ../ci/build-ui.sh'
+                            }
+                        }
                     }
                 }
             }
         }
     }
-
 }