Update github actions

Author: likeadeckofcards

.github/workflows/code-style.yml

@@ -0,0 +1,18 @@
+name: "Code Style"
+on: [pull_request]
+
+jobs:
+  code_style:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Validate composer.json and composer.lock
+        run: composer validate --strict
+
+      - name: "Laravel Pint"
+        uses: aglipanci/laravel-pint-action@2.0.0
+        with:
+          verboseMode: true
+          testMode: true
+          configPath: "./pint.json"