add resources needed for creating nfs cluster

examples/nfs/cluster.yaml

@@ -1,3 +1,35 @@
+apiVersion: compute.ionoscloud.io/v1alpha1
+kind: Datacenter
+metadata:
+  annotations:
+    meta.upbound.io/example-id: asg/v1alpha1/autoscalinggroup
+  labels:
+    testing.upbound.io/example-name: datacenter_example
+  name: datacenter-example
+spec:
+  forProvider:
+    location: de/txl
+    name: datacenter_example
+
+---
+
+apiVersion: compute.ionoscloud.io/v1alpha1
+kind: Lan
+metadata:
+  annotations:
+    meta.upbound.io/example-id: asg/v1alpha1/autoscalinggroup
+  labels:
+    testing.upbound.io/example-name: lan_example
+  name: lan-example
+spec:
+  forProvider:
+    datacenterIdSelector:
+      matchLabels:
+        testing.upbound.io/example-name: datacenter_example
+    name: lan_example
+    public: false
+
+---
 apiVersion: nfs.ionoscloud.io/v1alpha1
 kind: NFSCluster
 metadata:
@@ -11,11 +43,11 @@ spec:
     connections:
         datacenterIdSelector:
           matchLabels:
-            testing.upbound.io/example-name: example
+            testing.upbound.io/example-name: datacenter_example
         ipAddress: 192.168.100.10/24
         lanSelector:
           matchLabels:
-            testing.upbound.io/example-name: example
+            testing.upbound.io/example-name: lan_example
     location: de/txl
     name: test
     nfs: