Adds Kubernetes Deployment definition

deployment.yml

+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: actuator-sample
+spec:
+  replicas: 2
+  template:
+    metadata:
+      labels:
+        app: actuator-sample
+    spec:
+      containers:
+      - name: actuator-sample
+        image: registry.gitlab.com/marcolenzo/actuator-sample
+        imagePullPolicy: Always
+        ports:
+        - containerPort: 8080
+      imagePullSecrets:
+        - name: registry.gitlab.com
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