ci: add lint action

.github/workflows/ci.yml

@@ -25,4 +25,16 @@ jobs:
         run: composer install
       - name: Run tests
         run: composer run pest-coverage
-#  lint:
+  lint:
+    runs-on: ubuntu-22.04
+    strategy:
+      matrix:
+        php_version: ['80100', '80200']
+    container: dannecron/php-for-dev:8.2
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v3
+      - name: Init composer.lock and install dependencies
+        run: composer update
+      - name: Run phpcs
+        run: vendor/bin/phpcs --standard=phpcs.xml --report=full --config-set php_version ${{ matrix.php_version }} ./src ./tests