Add Jsonnet example

jsonnet/params.libsonnet

@@ -0,0 +1,8 @@
+{
+  containerPort: 5000,
+  image: "quay.io/acend/example-web-go",
+  name: "argo-jsonnet-example-<username>",
+  replicas: 1,
+  servicePort: 5000,
+  type: "ClusterIP",
+}

jsonnet/simple-application.jsonnet

@@ -0,0 +1,60 @@
+local params = import 'params.libsonnet';
+
+[
+   {
+      "apiVersion": "v1",
+      "kind": "Service",
+      "metadata": {
+         "name": params.name
+      },
+      "spec": {
+         "ports": [
+            {
+               "port": params.servicePort,
+                "protocol": "TCP",
+               "targetPort": params.containerPort
+            }
+         ],
+         "selector": {
+            "app": params.name
+         },
+         "type": params.type
+      }
+   },
+   {
+      "apiVersion": "apps/v1",
+      "kind": "Deployment",
+      "metadata": {
+         "name": params.name
+      },
+      "spec": {
+         "replicas": params.replicas,
+         "revisionHistoryLimit": 3,
+         "selector": {
+            "matchLabels": {
+               "app": params.name
+            },
+         },
+         "template": {
+            "metadata": {
+               "labels": {
+                  "app": params.name
+               }
+            },
+            "spec": {
+               "containers": [
+                  {
+                     "image": params.image,
+                     "name": params.name,
+                     "ports": [
+                     {
+                        "containerPort": params.containerPort
+                     }
+                     ]
+                  }
+               ]
+            }
+         }
+      }
+   }
+]