chore: Added kubernetes example file (#623)

kubernetes/example.yaml

@@ -0,0 +1,87 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: rustdesk-server
+spec:
+  replicas: 1
+  strategy:
+    type: Recreate
+  selector:
+    matchLabels:
+      app: rustdesk
+  template:
+    metadata:
+      labels:
+        app: rustdesk
+    spec:
+      containers:
+        # id Server (HBBS)
+        - name: hbbs
+          image: rustdesk/rustdesk-server:latest
+          env:
+            - name: RELAY_HOST
+              value: "rustdesk.yourdomain.tld"
+          command: ["hbbs", "-r", "$(RELAY_HOST):21117", "-k", "_"]
+          volumeMounts:
+            - mountPath: /root
+              name: rustdesk-data
+          ports:
+            - containerPort: 21115
+            - containerPort: 21116
+              protocol: TCP
+            - containerPort: 21116
+              protocol: UDP
+            - containerPort: 21118
+
+        # Relay Server (HBBR)
+        - name: hbbr
+          image: rustdesk/rustdesk-server:latest
+          command: ["hbbr", "-k", "_"]
+          volumeMounts:
+            - mountPath: /root
+              name: rustdesk-data
+          ports:
+            - containerPort: 21117
+            - containerPort: 21119
+
+      volumes:
+        - name: rustdesk-data
+          persistentVolumeClaim:
+            claimName: rustdesk-pvc
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: rustdesk-service
+spec:
+  type: LoadBalancer # Or NodePort
+  selector:
+    app: rustdesk
+  ports:
+    - name: hbbs-tcp
+      port: 21115
+      targetPort: 21115
+      protocol: TCP
+    - name: hbbs-udp
+      port: 21116
+      targetPort: 21116
+      protocol: UDP
+    - name: hbbs-tcp-main
+      port: 21116
+      targetPort: 21116
+      protocol: TCP
+    - name: hbbr-tcp
+      port: 21117
+      targetPort: 21117
+      protocol: TCP
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: rustdesk-pvc
+spec:
+  accessModes:
+    - ReadWriteOnce # RWM would be available only with pro version
+  resources:
+    requests:
+      storage: 1Gi