add github pipeline

Author: akondas

.github/workflows/ci.yml

@@ -0,0 +1,33 @@
+name: ci
+
+on:
+  pull_request:
+  push:
+    branches: [ master ]
+
+jobs:
+  ci:
+
+    strategy:
+      matrix:
+        php-version:
+          - "8.1"
+          - "8.2"
+          - "8.3"
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: "Installing PHP"
+      uses: "shivammathur/setup-php@v2"
+      with:
+        php-version: "${{ matrix.php-version }}"
+        ini-values: memory_limit=-1
+
+    - name: "Install composer dependencies"
+      uses: "ramsey/composer-install@v2"
+
+    - name: Run test suite
+      run: PHP_CS_FIXER_IGNORE_ENV=1 composer build