Setup GitHub Actions

Author: ruudk

.github/workflows/ci.yaml

@@ -0,0 +1,27 @@
+name: CI
+
+on:
+    push:
+        branches: [ main ]
+
+concurrency:
+    group: ${{ github.workflow }}-${{ github.ref }}
+
+jobs:
+    phpstan:
+        runs-on: ubuntu-latest
+
+        steps:
+            - name: Checkout code
+              uses: actions/checkout@v4
+
+            - name: Set up PHP
+              uses: shivammathur/setup-php@v2
+              with:
+                  php-version: '8.2'
+
+            - name: Install Composer packages
+              uses: ramsey/composer-install@v3
+
+            - name: Run PHPStan
+              run: vendor/bin/phpstan --ansi