Import GitHub workflows from template repository

These files are based on https://github.com/devcontainers/feature-starter

The only modifications I've made is to replace the 'color' and 'hello'
features with 'playwright'.

.github/workflows/release.yaml

@@ -0,0 +1,47 @@
+name: "Release dev container features & Generate Documentation"
+on:
+  workflow_dispatch:
+
+jobs:
+  deploy:
+    if: ${{ github.ref == 'refs/heads/main' }}
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      pull-requests: write
+      packages: write
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: "Publish Features"
+        uses: devcontainers/action@v1
+        with:
+          publish-features: "true"
+          base-path-to-features: "./src"
+          generate-docs: "true"
+
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Create PR for Documentation
+        id: push_image_info
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          set -e
+          echo "Start."
+          # Configure git and Push updates
+          git config --global user.email github-actions[bot]@users.noreply.github.com
+          git config --global user.name github-actions[bot]
+          git config pull.rebase false
+          branch=automated-documentation-update-$GITHUB_RUN_ID
+          git checkout -b $branch
+          message='Automated documentation update'
+          # Add / update and commit
+          git add */**/README.md
+          git commit -m 'Automated documentation update [skip ci]' || export NO_UPDATES=true
+          # Push
+          if [ "$NO_UPDATES" != "true" ] ; then
+              git push origin "$branch"
+              gh pr create --title "$message" --body "$message"
+          fi

.github/workflows/test.yaml

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+name: "CI - Test Features"
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  test-autogenerated:
+    runs-on: ubuntu-latest
+    continue-on-error: true
+    strategy:
+      matrix:
+        features:
+          - playwright
+        baseImage:
+          - debian:latest
+          - ubuntu:latest
+          - mcr.microsoft.com/devcontainers/base:ubuntu
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: "Install latest devcontainer CLI"
+        run: npm install -g @devcontainers/cli
+
+      - name: "Generating tests for '${{ matrix.features }}' against '${{ matrix.baseImage }}'"
+        run: devcontainer features test --skip-scenarios -f ${{ matrix.features }} -i ${{ matrix.baseImage }} .
+
+  test-scenarios:
+    runs-on: ubuntu-latest
+    continue-on-error: true
+    strategy:
+      matrix:
+        features:
+          - playwright
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: "Install latest devcontainer CLI"
+        run: npm install -g @devcontainers/cli
+
+      - name: "Generating tests for '${{ matrix.features }}' scenarios"
+        run: devcontainer features test -f ${{ matrix.features }} --skip-autogenerated --skip-duplicated .
+
+  test-global:
+    runs-on: ubuntu-latest
+    continue-on-error: true
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: "Install latest devcontainer CLI"
+        run: npm install -g @devcontainers/cli
+
+      - name: "Testing global scenarios"
+        run: devcontainer features test --global-scenarios-only .

.github/workflows/validate.yml

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+name: "Validate devcontainer-feature.json files"
+on:
+  workflow_dispatch:
+  pull_request:
+
+jobs:
+  validate:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: "Validate devcontainer-feature.json files"
+        uses: devcontainers/action@v1
+        with:
+          validate-only: "true"
+          base-path-to-features: "./src"