Adding auto-updater to charts repo

.github/workflows/auto-updater-ci.yaml

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+name: Auto Updater
+
+on:
+  pull_request:
+    paths:
+      - auto-updater/**
+
+jobs:
+  ci:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Build Image
+        run: docker build -t auto-updater:${{ github.sha }} ./auto-updater
+
+      - name: Run Trivy vulnerability scanner
+        uses: aquasecurity/trivy-action@master
+        with:
+          image-ref: 'auto-updater:${{ github.sha }}'
+          format: 'table'
+          exit-code: '1'
+          ignore-unfixed: true
+          vuln-type: 'os,library'
+          severity: 'CRITICAL,HIGH'
+
+      - name: Login to GAR
+        uses: docker/login-action@v2
+        with:
+          registry: us-docker.pkg.dev
+          username: _json_key
+          password: "${{ secrets.GCP_SPOTIT_TODAY }}"

auto-updater/Dockerfile

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+FROM alpine:3
+
+ARG HELM_VERSION=v3.14.3
+
+# ENV BASE_URL="https://storage.googleapis.com/kubernetes-helm"
+ENV BASE_URL="https://get.helm.sh"
+
+RUN case `uname -m` in \
+        x86_64) ARCH=amd64; ;; \
+        armv7l) ARCH=arm; ;; \
+        aarch64) ARCH=arm64; ;; \
+        ppc64le) ARCH=ppc64le; ;; \
+        s390x) ARCH=s390x; ;; \
+        *) echo "un-supported arch, exit ..."; exit 1; ;; \
+    esac && \
+    apk add --update --no-cache wget bash && \
+    wget -qL ${BASE_URL}/helm-${HELM_VERSION}-linux-${ARCH}.tar.gz -O- | tar -xz && \
+    mv linux-${ARCH}/helm /usr/bin/helm && \
+    chmod +x /usr/bin/helm && \
+    rm -rf linux-${ARCH} && \
+    apk del wget
+
+WORKDIR /apps

auto-updater/VERSION

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+v0.0.1