Add Kuberenetes tutorial content

.gitattributes

@@ -1,4 +1,5 @@
 # text files use OS defaults on checkout, LF on checkin
 * text eol=auto
 # images are binary
-*.png binary 
+*.png binary 
+*.ico binary

samples/README.md

@@ -1,4 +1,4 @@
-# Reference applicatins
+# Reference applications
 
 Reference apps are templates that show a complete app. You are able to clone and deploy any of these apps to try out various Project Radius functionality.
 

samples/demo/Chart/Chart.yaml

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+apiVersion: v1
+appVersion: "0.1.0"
+version: 0.1.0
+name: demo
+description: A Helm chart for the Radius demo application.

samples/demo/Chart/templates/app.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: webapp
+  namespace: {{ .Release.Namespace }}
+spec:
+  selector:
+    matchLabels:
+      app: webapp
+  template:
+    metadata:
+      labels:
+        app: webapp
+    spec:
+      containers:
+      - name: webapp
+        image: {{ .Values.image.repository }}:{{ .Values.image.tag }}
+        env: 
+        - name: CONNECTION_REDIS_URL
+          valueFrom:
+            secretKeyRef:
+              name: redis-secret
+              key: url
+        ports:
+        - containerPort: 3000

samples/demo/Chart/values.yaml

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+image:
+  repository: ghcr.io/radius-project/samples/demo
+  tag: latest