docs(example): add example alpine chart.

docs/examples/README.md

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+# Helm Examples
+
+This directory contains example charts to help you get started with
+chart development.

docs/examples/alpine/Chart.yaml

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+name: alpine
+description: Deploy a basic Alpine Linux pod
+version: 0.1.0
+home: "https://github.com/deis/tiller"

docs/examples/alpine/README.md

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+This example was generated using the command `helm create alpine`.
+
+The `templates/` directory contains a very simple pod resource with a
+couple of parameters.
+
+The `values.toml` file contains the default values for the
+`alpine-pod.yaml` template.
+
+You can install this example using `helm install docs/examples/alpine`.

docs/examples/alpine/templates/alpine-pod.yaml

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+apiVersion: v1
+kind: Pod
+metadata:
+  name: {{default "alpine" .name}}
+  labels:
+    heritage: helm
+spec:
+  restartPolicy: {{default "Never" .restart_policy}}
+  containers:
+  - name: waiter
+    image: "alpine:3.3"
+    command: ["/bin/sleep","9000"]

docs/examples/alpine/values.toml

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+# The pod name
+name = "my-alpine"