chore: add github action for deployment

.github/workflows/release.yml

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+name: Publish docker image
+
+on:
+  push:
+    tags: 
+      - v*
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    env:
+      IMAGE: docker.pkg.github.com/cocreate-app/cocreatews/cocreatews
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v1
+    - name: Login docker registry
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      run: |
+        docker login docker.pkg.github.com -u $GITHUB_ACTOR -p $GITHUB_TOKEN
+        git config --local user.email "41898282+github-actions[bot]@users.noreply.github.com"
+        git config --local user.name "github-actions[bot]"
+    - name: Build docker image
+      run: docker build . -t $IMAGE:latest -t $IMAGE:${GITHUB_REF:10}
+    - name: Push docker image
+      run: |
+        docker push $IMAGE:latest
+        docker push $IMAGE:${GITHUB_REF:10}
+    - name: Get kubectl
+      run: |
+        curl -LO https://dl.k8s.io/release/v1.20.0/bin/linux/amd64/kubectl
+        chmod +x kubectl
+    - name: Generate deployment
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      run: |
+        sed -i "s/IMAGE_TAG/${GITHUB_REF:10}/g" k8s/kustomization.yaml
+        ./kubectl kustomize k8s/ > manifests/temp.yaml
+        git stash
+        git checkout master
+        mv manifests/temp.yaml manifests/k8sfile.yml
+        git add manifests/k8sfile.yml
+        git commit -m "update manifest file"
+        git push "https://$GITHUB_ACTOR:$GITHUB_TOKEN@github.com/CoCreate-app/CoCreateWS.git" master -f
+      
+

k8s/daemonset.yaml

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+apiVersion: apps/v1
+kind: DaemonSet
+metadata:
+  labels:
+    app: cocreatews
+  name: cocreatews
+  namespace: default
+spec:
+  selector:
+    matchLabels:
+      app: cocreatews
+  template:
+    metadata:
+      labels:
+        app: cocreatews
+    spec:
+      containers:
+        - image: cocreatews
+          imagePullPolicy: Always
+          name: cocreatews
+          ports:
+            - containerPort: 8081
+              name: app
+              protocol: TCP
+      imagePullSecrets:
+        - name: github
+      restartPolicy: Always

k8s/ingress.yaml

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+apiVersion: extensions/v1beta1
+kind: Ingress
+metadata:
+  annotations:
+    nginx.ingress.kubernetes.io/proxy-read-timeout: "3600"
+    nginx.ingress.kubernetes.io/proxy-send-timeout: "3600"
+    nginx.ingress.kubernetes.io/affinity: "cookie"
+    nginx.ingress.kubernetes.io/session-cookie-hash: "sha1"
+  name: cocreatews
+  namespace: default
+spec:
+  rules:
+    - host: "*.cocreate.app"
+      http:
+        paths:
+          - backend:
+              serviceName: cocreate
+              servicePort: 8081
+            path: /
+  tls:
+    - hosts:
+        - "*.cocreate.app"
+      secretName: cocreate-app

k8s/kustomization.yaml

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+resources:
+  - daemonset.yaml
+  - service.yaml
+  - ingress.yaml
+commonLabels:
+  app: cocreatews
+images:
+- name: cocreatews
+  newName: docker.pkg.github.com/cocreate-app/cocreatews/cocreatews
+  newTag: IMAGE_TAG

k8s/service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: cocreatews
+  namespace: default
+spec:
+  ports:
+    - name: app
+      port: 8081
+      protocol: TCP
+      targetPort: 8081
+  selector:
+    app: cocreatews
+
+  sessionAffinity: None
+  type: ClusterIP