Add CI workflow

Configure GitHub Actions for automated testing

Author: rgalstyan

.github/workflows/symfony.yml

@@ -0,0 +1,51 @@
+name: Symfony
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+permissions:
+  contents: read
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    
+    strategy:
+      fail-fast: false
+      matrix:
+        php-version: ['8.1', '8.2', '8.3']
+        symfony-version: ['6.4', '7.0']
+    
+    name: PHP ${{ matrix.php-version }} - Symfony ${{ matrix.symfony-version }}
+    
+    steps:
+    - uses: actions/checkout@v4
+    
+    - name: Setup PHP
+      uses: shivammathur/setup-php@v2
+      with:
+        php-version: ${{ matrix.php-version }}
+        extensions: mbstring, xml, ctype, iconv, intl, pdo, pdo_mysql, pdo_pgsql
+        coverage: none
+    
+    - name: Cache Composer packages
+      uses: actions/cache@v3
+      with:
+        path: vendor
+        key: ${{ runner.os }}-php-${{ matrix.php-version }}-symfony-${{ matrix.symfony-version }}-${{ hashFiles('**/composer.lock') }}
+        restore-keys: |
+          ${{ runner.os }}-php-${{ matrix.php-version }}-symfony-${{ matrix.symfony-version }}-
+    
+    - name: Install dependencies
+      run: |
+        composer require "symfony/framework-bundle:^${{ matrix.symfony-version }}" --no-update
+        composer install --prefer-dist --no-progress --no-interaction
+    
+    - name: Run PHPStan
+      run: composer phpstan
+    
+    - name: Run PHPUnit tests
+      run: composer test