Check formatting via GH action

.github/workflows/check-formatting.yml

@@ -0,0 +1,18 @@
+name: Check formatting
+
+on:
+  pull_request:
+
+jobs:
+  check-formatting:
+    name: Check formatting
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Install Dependencies
+        run: npm install
+
+      - name: Check formatting
+        run: npm run check:formatting

package.json

@@ -35,7 +35,7 @@
     "make:public": "make public ls-public",
     "postbuild:preview": "npm run _check:links",
     "postbuild:production": "npm run _check:links",
-    "prebuild:preview": "run-s _prebuild check:formatting",
+    "prebuild:preview": "run-s _prebuild",
     "prebuild:production": "run-s _prebuild check:formatting",
     "prebuild": "npm run _prebuild",
     "precheck:links": "npm run build",