Issue #1: Initial effort to lift some content out of the Kubernetes collection. (#3)

* Issue #1: Initial effort to lift some content out of the Kubernetes collection.

* Issue #1: Disable integration tests for now, as they're not relevant.

tests/integration/targets/okd/files/crd-resource.yml

@@ -0,0 +1,21 @@
+---
+apiVersion: certmanager.k8s.io/v1alpha1
+kind: Certificate
+metadata:
+  name: acme-crt
+spec:
+  secretName: acme-crt-secret
+  dnsNames:
+    - foo.example.com
+    - bar.example.com
+  acme:
+    config:
+      - ingressClass: nginx
+        domains:
+          - foo.example.com
+          - bar.example.com
+  issuerRef:
+    name: letsencrypt-prod
+    # We can reference ClusterIssuers by changing the kind here.
+    # The default value is Issuer (i.e. a locally namespaced Issuer)
+    kind: Issuer

tests/integration/targets/okd/files/kuard-extra-property.yml

@@ -0,0 +1,22 @@
+---
+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  labels:
+    app: kuard
+  name: kuard
+  namespace: default
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      app: kuard
+    unwanted: value
+  template:
+    metadata:
+      labels:
+        app: kuard
+    spec:
+      containers:
+        - image: gcr.io/kuar-demo/kuard-amd64:1
+          name: kuard

tests/integration/targets/okd/files/kuard-invalid-type.yml

@@ -0,0 +1,21 @@
+---
+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  labels:
+    app: kuard
+  name: kuard
+  namespace: default
+spec:
+  replicas: hello
+  selector:
+    matchLabels:
+      app: kuard
+  template:
+    metadata:
+      labels:
+        app: kuard
+    spec:
+      containers:
+        - image: gcr.io/kuar-demo/kuard-amd64:1
+          name: kuard

tests/integration/targets/okd/files/setup-crd.yml

@@ -0,0 +1,15 @@
+---
+apiVersion: apiextensions.k8s.io/v1beta1
+kind: CustomResourceDefinition
+metadata:
+  name: certificates.certmanager.k8s.io
+spec:
+  group: certmanager.k8s.io
+  version: v1alpha1
+  scope: Namespaced
+  names:
+    kind: Certificate
+    plural: certificates
+    shortNames:
+      - cert
+      - certs