chore: add templates, unittests and workflows

.gitea/workflows/changelog.yml

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+name: changelog
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  changelog:
+    runs-on: ubuntu-latest
+    container: docker.io/thegeeklab/git-sv:1.0.12
+    steps:
+      - name: install tools
+        run: |
+          apk add -q --update --no-cache nodejs curl jq sed
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Generate upcoming changelog
+        run: |
+          git sv rn -o changelog.md
+          export RELEASE_NOTES=$(cat changelog.md)
+          export ISSUE_NUMBER=$(curl -s "https://gitea.com/api/v1/repos/gitea/helm-actions/issues?state=open&q=Changelog%20for%20upcoming%20version" | jq '.[].number')
+
+          echo $RELEASE_NOTES
+          JSON_DATA=$(echo "" | jq -Rs --arg title 'Changelog for upcoming version' --arg body "$(cat changelog.md)" '{title: $title, body: $body}')
+
+          if [ -z "$ISSUE_NUMBER" ]; then
+            curl -s -X POST "https://gitea.com/api/v1/repos/gitea/helm-actions/issues" -H "Authorization: token ${{ secrets.ISSUE_RW_TOKEN }}" -H "Content-Type: application/json" -d "$JSON_DATA"
+          else
+            curl -s -X PATCH "https://gitea.com/api/v1/repos/gitea/helm-actions/issues/$ISSUE_NUMBER" -H "Authorization: token ${{ secrets.ISSUE_RW_TOKEN }}" -H "Content-Type: application/json" -d "$JSON_DATA"
+          fi

.gitea/workflows/commitlint.yml

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+name: commitlint
+
+on:
+  pull_request:
+    branches:
+      - "*"
+    types:
+      - opened
+      - edited
+
+jobs:
+  check-and-test:
+    runs-on: ubuntu-latest
+    container: commitlint/commitlint:19.7.1
+    steps:
+      - uses: actions/checkout@v4
+      - name: check PR title
+        run: |
+          echo "${{ gitea.event.pull_request.title }}" | commitlint --config .commitlintrc.json

.gitea/workflows/release-version.yml

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+name: generate-chart
+
+on:
+  push:
+    tags:
+      - "*"
+
+env:
+  # renovate: datasource=docker depName=alpine/helm
+  HELM_VERSION: "3.17.1"
+
+jobs:
+  generate-chart-publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: install tools
+        run: |
+          apt update -y
+          apt install -y curl ca-certificates curl gnupg
+          # helm
+          curl -O https://get.helm.sh/helm-v${{ env.HELM_VERSION }}-linux-amd64.tar.gz
+          tar -xzf helm-v${{ env.HELM_VERSION }}-linux-amd64.tar.gz
+          mv linux-amd64/helm /usr/local/bin/
+          rm -rf linux-amd64 helm-v${{ env.HELM_VERSION }}-linux-amd64.tar.gz
+          helm version
+          # docker
+          install -m 0755 -d /etc/apt/keyrings
+          curl -fsSL https://download.docker.com/linux/ubuntu/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg
+          chmod a+r /etc/apt/keyrings/docker.gpg
+          echo "deb [arch="$(dpkg --print-architecture)" signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu "$(. /etc/os-release && echo "$VERSION_CODENAME")" stable" | tee /etc/apt/sources.list.d/docker.list > /dev/null
+          apt update -y
+          apt install -y python3 python3-pip apt-transport-https docker-ce-cli
+          pip install awscli --break-system-packages
+
+      - name: Import GPG key
+        id: import_gpg
+        uses: https://github.com/crazy-max/ghaction-import-gpg@v6
+        with:
+          gpg_private_key: ${{ secrets.GPGSIGN_KEY }}
+          passphrase: ${{ secrets.GPGSIGN_PASSPHRASE }}
+          fingerprint: CC64B1DB67ABBEECAB24B6455FC346329753F4B0
+
+      # Using helm gpg plugin as 'helm package --sign' has issues with gpg2: https://github.com/helm/helm/issues/2843
+      - name: package chart
+        run: |
+          echo ${{ secrets.DOCKER_CHARTS_PASSWORD }} | docker login -u ${{ secrets.DOCKER_CHARTS_USERNAME }} --password-stdin
+          # FIXME: use upstream after https://github.com/technosophos/helm-gpg/issues/1 is solved
+          helm plugin install https://github.com/pat-s/helm-gpg
+          helm dependency build
+          helm package --version "${GITHUB_REF#refs/tags/v}" ./
+          mkdir actions
+          mv actions*.tgz actions/
+          curl -s -L -o actions/index.yaml https://dl.gitea.com/charts/index.yaml
+          helm repo index actions/ --url https://dl.gitea.com/charts --merge actions/index.yaml
+          # push to dockerhub
+          echo ${{ secrets.DOCKER_CHARTS_PASSWORD }} | helm registry login -u ${{ secrets.DOCKER_CHARTS_USERNAME }} registry-1.docker.io --password-stdin
+          helm push actions/actions-${GITHUB_REF#refs/tags/v}.tgz oci://registry-1.docker.io/giteacharts
+          helm registry logout registry-1.docker.io
+
+      - name: aws credential configure
+        uses: https://github.com/aws-actions/configure-aws-credentials@v4
+        with:
+          aws-access-key-id: ${{ secrets.AWS_KEY_ID }}
+          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+          aws-region: ${{ secrets.AWS_REGION }}
+
+      - name: Copy files to S3 and clear cache
+        run: |
+          aws s3 sync actions/ s3://${{ secrets.AWS_S3_BUCKET}}/charts/

.gitea/workflows/test-pr.yml

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+name: check-and-test
+
+on:
+  pull_request:
+    branches:
+      - "*"
+  push:
+    branches:
+      - main
+
+env:
+  # renovate: datasource=github-releases depName=helm-unittest/helm-unittest
+  HELM_UNITTEST_VERSION: "v0.7.2"
+
+jobs:
+  check-and-test:
+    runs-on: ubuntu-latest
+    container: alpine/helm:3.17.1
+    steps:
+      - name: install tools
+        run: |
+          apk update
+          apk add --update bash make nodejs npm yamllint ncurses
+      - uses: actions/checkout@v4
+      - name: install chart dependencies
+        run: helm dependency build
+      - name: lint
+        run: helm lint
+      - name: template
+        run: helm template --debug gitea-actions .
+      - name: prepare unit test environment
+        run: |
+          helm plugin install --version ${{ env.HELM_UNITTEST_VERSION }} https://github.com/helm-unittest/helm-unittest
+          git submodule update --init --recursive
+      - name: unit tests
+        env:
+          TERM: xterm
+        run: |
+          make unittests
+      - name: verify readme
+        run: |
+          make readme
+          git diff --exit-code --name-only README.md
+      - name: yaml lint
+        uses: https://github.com/ibiqlik/action-yamllint@v3