add example

pkg/kinflate/example/instances/exampleinstance/Kube-manifest.yaml

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+# This example is from https://docs.google.com/document/d/1cLPGweVEYrVqQvBLJg6sxV-TrE5Rm2MNOBA_cxZP2WU/edit#heading=h.dr88tktf0e99
+
+apiVersion: manifest.k8s.io/v1alpha1
+kind: Manifest
+metadata:
+  name: test-infra-mungebot
+description: Mungebot config for test-infra repo
+namePrefix: test-infra-
+# Labels to add to all objects and selectors.
+# These labels would also be used to form the selector for apply --prune
+# Named differently than “labels” to avoid confusion with metadata for this object
+objectLabels:
+  app: mungebot
+  org: kubernetes
+  repo: test-infra
+objectAnnotations:
+  note: This is a test annotation
+resources:
+- ../../package
+#These are strategic merge patch overlays in the form of API resources
+patches:
+- deployment.yaml
+#There could also be configmaps in Base, which would make these overlays
+configmaps:
+- type: env
+  namePrefix: app-env
+  file: app.env
+- type: file
+  namePrefix: app-config
+  file: app-init.ini
+#There could be secrets in Base, if just using a fork/rebase workflow
+secrets:
+- type: tls
+  namePrefix: app-tls
+  certFile: tls.cert
+  keyFile: tls.key
+recursive: false
+prune: true # I’d make this the default

pkg/kinflate/example/instances/exampleinstance/deployment.yaml

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+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: mungebot
+spec:
+  replicas: 2
+  template:
+    spec:
+      containers:
+      - name: nginx
+        image: nginx:1.7.9
+      - name: busybox
+        image: busybox

pkg/kinflate/example/package/Kube-descriptor.yaml

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+# This example is from https://docs.google.com/document/d/1cLPGweVEYrVqQvBLJg6sxV-TrE5Rm2MNOBA_cxZP2WU/edit#heading=h.dr88tktf0e99
+
+# Inspired by https://github.com/kubernetes/helm/blob/master/docs/charts.md
+# But Kubernetes API style
+apiVersion: manifest.k8s.io/v1alpha1
+kind: Descriptor
+metadata:
+  name: mungebot
+description: Mungegithub package
+# These are search keywords
+keywords: [github, bot, kubernetes]
+home: https://github.com/bgrant0607/mungebot-pkg/blob/master/README.md
+sources: https://github.com/bgrant0607/mungebot-pkg
+icon: https://github.com/bgrant0607/mungebot-pkg/blob/master/icon.png

pkg/kinflate/example/package/Kube-manifest.yaml

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+# This example is from https://docs.google.com/document/d/1cLPGweVEYrVqQvBLJg6sxV-TrE5Rm2MNOBA_cxZP2WU/edit#heading=h.dr88tktf0e99
+
+# Inspired by https://github.com/kubernetes/helm/blob/master/docs/charts.md
+# But Kubernetes API style
+apiVersion: manifest.k8s.io/v1alpha1
+kind: Manifest
+metadata:
+  name: mungebot
+resources:
+- deployment.yaml
+#Recursive would be similar to kubectl --recursive behavior, extended to look for Kube-manifest.yaml
+recursive: false
+#Whether PersistentVolumeClaims should be deleted with the other resources
+ownPersistentVolumeClaims: true

pkg/kinflate/example/package/deployment.yaml

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+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: mungebot
+  labels:
+    app: mungebot
+spec:
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        app: mungebot
+    spec:
+      containers:
+      - name: nginx
+        image: nginx
+        env:
+        - name: foo
+          value: bar
+        ports:
+        - containerPort: 80