examples/wait_for_resources: fix Go code indentation in README

Consistently use tabs to indent, so the code examples are rendered with
consistent indentation.

examples/wait_for_resources/README.md

@@ -21,8 +21,8 @@ Additionally, it is easy to wait for changes to any resource type with the `Reso
 
 ```go
 func TestResourceMatch(t *testing.T) {
-    ...
-    deployment := appsv1.Deployment{ObjectMeta: metav1.ObjectMeta{Name: "deploy-name"}}
+	...
+	deployment := appsv1.Deployment{ObjectMeta: metav1.ObjectMeta{Name: "deploy-name"}}
 	err = wait.For(conditions.New(client.Resources()).ResourceMatch(deployment, func(object k8s.Object) bool {
 		d := object.(*appsv1.Deployment)
 		return d.Status.AvailableReplicas == 2 && d.Status.ReadyReplicas == 2
@@ -40,15 +40,15 @@ It is common to need to check for the existence of a set of objects by name:
 
 ```go
 func TestResourcesFound(t *testing.T) {
-    ...
+	...
 	pods := &v1.PodList{
 		Items: []v1.Pod{
 			{ObjectMeta: metav1.ObjectMeta{Name: "p9", Namespace: namespace}},
 			{ObjectMeta: metav1.ObjectMeta{Name: "p10", Namespace: namespace}},
 			{ObjectMeta: metav1.ObjectMeta{Name: "p11", Namespace: namespace}},
 		},
 	}
-    // wait for the set of pods to exist
+	// wait for the set of pods to exist
 	err = wait.For(conditions.New(client.Resources()).ResourcesFound(pods))
 	if err != nil {
 		t.Error(err)
@@ -61,26 +61,26 @@ Or to check for their absence:
 
 ```go
 func TestResourcesDeleted(t *testing.T) {
-    ...
+	...
 	pods := &v1.PodList{}
-    // wait for 1 pod with the label `"app": "d5"`
+	// wait for 1 pod with the label `"app": "d5"`
 	err = wait.For(conditions.New(client.Resources()).ResourceListN(
-        pods,
-        1, 
-        resources.WithLabelSelector(labels.FormatLabels(map[string]string{"app": "d5"}))),
-    )
+		pods,
+		1,
+		resources.WithLabelSelector(labels.FormatLabels(map[string]string{"app": "d5"}))),
+	)
 	if err != nil {
 		t.Error(err)
 	}
 	err = client.Resources().Delete(context.Background(), deployment)
 	if err != nil {
 		t.Error(err)
 	}
-    // wait for the set of pods to finish deleting
+	// wait for the set of pods to finish deleting
 	err = wait.For(conditions.New(client.Resources()).ResourcesDeleted(pods))
 	if err != nil {
 		t.Error(err)
 	}
-    ...
+	...
 }
 ```