ci: add ci workflow

.github/workflows/ci.yml

@@ -0,0 +1,38 @@
+# yamllint disable-line rule:document-start
+name: ci
+
+# yamllint disable-line rule:truthy
+on: [push]
+
+jobs:
+  php:
+    name: test
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        php: [8.1]
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Setup PHP ${{ matrix.php }}
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+        env:
+          COMPOSER_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Get composer cache directory
+        id: composer-cache
+        run: echo "dir=$(composer config cache-files-dir)" >> "${GITHUB_OUTPUT}"
+
+      - name: Cache dependencies
+        uses: actions/cache@v3
+        with:
+          path: ${{ steps.composer-cache.outputs.dir }}
+          key: ${{ runner.os }}-${{ matrix.php }}-composer-${{ hashFiles('**/composer.lock') }}
+          restore-keys: ${{ runner.os }}-${{ matrix.php }}-composer-
+
+      - name: Install Composer dependencies
+        run: composer install --no-progress --prefer-dist --optimize-autoloader
+
+      - run: composer run-script style:check