add rebuild, releaser, and test actions
diff --git a/.github/workflows/chart-rebuild.yaml b/.github/workflows/chart-rebuild.yaml
new file mode 100644
index 0000000..9edb835
--- /dev/null
+++ b/.github/workflows/chart-rebuild.yaml
@@ -0,0 +1,57 @@
+name: Rebuild index.yaml manually
+on:
+  workflow_dispatch:
+
+jobs:
+  rebuild:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          ref: 'gh-pages'
+          fetch-depth: 0
+
+      - name: Set up Helm
+        uses: azure/setup-helm@v1
+        with:
+          version: v3.6.3
+
+      - name: Rebuild index.yaml
+        env:
+          version: v1.4.0
+        run: |
+          if [[ ! -d "$RUNNER_TOOL_CACHE" ]]; then
+              echo "Cache directory '$RUNNER_TOOL_CACHE' does not exist" >&2
+              exit 1
+          fi
+
+          arch=$(uname -m)
+          cache_dir="$RUNNER_TOOL_CACHE/ct/$version/$arch"
+
+          if [[ ! -d "$cache_dir" ]]; then
+              mkdir -p "$cache_dir"
+
+              echo "Installing chart-releaser..."
+              curl -sSLo cr.tar.gz "https://github.com/helm/chart-releaser/releases/download/$version/chart-releaser_${version#v}_linux_amd64.tar.gz"
+              tar -xzf cr.tar.gz -C "$cache_dir"
+              rm -f cr.tar.gz
+
+              echo 'Adding cr directory to PATH...'
+              export PATH="$cache_dir:$PATH"
+          fi
+
+          echo "Rebuilding index.yaml"
+          scripts/rebuild.sh
+
+      - name: Create Pull Request
+        id: cpr
+        uses: peter-evans/create-pull-request@v3
+        with:
+          commit-message: Rebuild index.yaml
+          title: Rebuild index.yaml
+
+      - name: Check outputs
+        run: |
+          echo "Created Pull Request Number - ${{ steps.cpr.outputs.pull-request-number }}"
+          echo "Pull Request URL - ${{ steps.cpr.outputs.pull-request-url }}"
diff --git a/.github/workflows/chart-releaser.yaml b/.github/workflows/chart-releaser.yaml
new file mode 100644
index 0000000..5fcef0c
--- /dev/null
+++ b/.github/workflows/chart-releaser.yaml
@@ -0,0 +1,33 @@
+name: Release Charts
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Configure Git
+        run: |
+          git config user.name "$GITHUB_ACTOR"
+          git config user.email "$GITHUB_ACTOR@users.noreply.github.com"
+
+      - name: Install Helm
+        uses: azure/setup-helm@v1
+        with:
+          version: v3.6.3
+
+      - name: Run chart-releaser
+        uses: helm/chart-releaser-action@v1.4.0
+        with:
+          charts_dir: .
+          charts_repo_url: https://apache.github.io/couchdb-helm
+        env:
+          CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
diff --git a/.github/workflows/chart-test.yaml b/.github/workflows/chart-test.yaml
new file mode 100644
index 0000000..f4f9e7d
--- /dev/null
+++ b/.github/workflows/chart-test.yaml
@@ -0,0 +1,78 @@
+name: Lint and Test Charts
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Set up Helm
+        uses: azure/setup-helm@v1
+        with:
+          version: v3.6.3
+
+      - name: Set up chart-testing
+        uses: helm/chart-testing-action@v2.1.0
+
+      - name: Run chart-testing (list-changed)
+        id: list-changed
+        run: |
+          changed=$(ct list-changed --target-branch main --chart-dirs .
+          if [[ -n "$changed" ]]; then
+            echo "::set-output name=changed::true"
+          fi
+
+      - name: Run chart-testing (lint changed)
+        run: ct lint --target-branch main --chart-dirs .
+
+      - name: Run chart-testing (lint all)
+        run: ct lint --target-branch main --all --chart-dirs .
+
+  install:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Set up Helm
+        uses: azure/setup-helm@v1
+        with:
+          version: v3.6.3
+
+      - name: Set up chart-testing
+        uses: helm/chart-testing-action@v2.2.1
+
+      - name: Run chart-testing (list-changed)
+        id: list-changed
+        run: |
+          changed=$(ct list-changed --target-branch main --chart-dirs .
+          if [[ -n "$changed" ]]; then
+            echo "::set-output name=changed::true"
+          fi
+
+      - name: Create kind cluster
+        uses: helm/kind-action@v1.2.0
+        if: ( steps.list-changed.outputs.changed == 'true' ) || ${{ github.ref == 'refs/heads/main' }}
+
+      # no allow-failure until https://github.com/actions/toolkit/issues/399
+      - name: Run chart-testing (install changed)
+        if: ${{ github.ref != 'refs/heads/main' }}
+        run: ct install --target-branch main --chart-dirs .
+        continue-on-error: true
+
+      # no allow-failure until https://github.com/actions/toolkit/issues/399
+      - name: Run chart-testing (install all)
+        if: ${{ github.ref == 'refs/heads/main' }}
+        run: ct install --target-branch main --all --chart-dirs .
+        continue-on-error: true