chore: add templates, unittests and workflows

.gitea/workflows/test-pr.yml

@@ -0,0 +1,45 @@
+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