force add vendor folder in testdata which is gitignored by default

Signed-off-by: shuai-zh <shuaiz8023@gmail.com>

reposerver/repository/testdata/jsonnet-1/vendor/nested/service.libsonnet

@@ -0,0 +1,23 @@
+local new(params) = {
+  apiVersion: 'v1',
+  kind: 'Service',
+  metadata: {
+    name: params.name,
+  },
+  spec: {
+    ports: [
+      {
+        port: params.servicePort,
+        targetPort: params.containerPort,
+      },
+    ],
+    selector: {
+      app: params.name,
+    },
+    type: params.type,
+  },
+};
+
+{
+  new:: new,
+}