[TASK] Add GitHub Actions

.github/workflows/ci.yaml

@@ -0,0 +1,80 @@
+name: CI
+on:
+  - pull_request
+jobs:
+  check-composer:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Validate composer.json
+        run: composer validate
+
+  php-linting:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        php-version:
+          - 8.1
+          - 8.2
+          - 8.3
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Install PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: "${{ matrix.php-version }}"
+          tools: composer:v2
+
+      - name: PHP lint
+        run: "find *.php Classes Configuration Tests -name '*.php' -print0 | xargs -0 -n 1 -P 4 php -l"
+
+  coding-guideline:
+    runs-on: ubuntu-latest
+    needs:
+      - php-linting
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Install PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: "8.1"
+          tools: composer:v2
+
+      - name: Install dependencies
+        run: composer install --prefer-dist --no-progress --no-suggest
+
+      - name: Coding Guideline
+        run: .build/bin/php-cs-fixer fix --config=Build/.php-cs-fixer.dist.php -v --using-cache=no --path-mode=intersection ./
+
+  code-quality:
+    runs-on: ubuntu-latest
+    needs:
+      - php-linting
+    strategy:
+      matrix:
+        include:
+          - php-version: '8.1'
+            typo3-version: '^12.4'
+          - php-version: '8.2'
+            typo3-version: '^12.4'
+          - php-version: '8.3'
+            typo3-version: '^12.4'
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Install PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: "${{ matrix.php-version }}"
+          tools: composer:v2
+
+      - name: Install dependencies with expected TYPO3 version
+        run: |-
+          composer require --no-interaction --prefer-dist --no-progress "typo3/cms-core:${{ matrix.typo3-version }}" "typo3/cms-extbase:${{ matrix.typo3-version }}" "typo3/cms-frontend:${{ matrix.typo3-version }}"
+
+      - name: Code Quality (by PHPStan)
+        run: ./vendor/bin/phpstan analyse -c Build/phpstan.neon