ci(formatting): prettier check

.github/workflows/prettier.yml

@@ -0,0 +1,24 @@
+name: Prettier Check
+
+on:
+  pull_request:
+    branches: [main, v3]
+
+jobs:
+  prettier:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Cache npm
+        uses: actions/cache@v4
+        with:
+          path: ~/.npm
+          key: ${{ runner.os }}-npm-${{ hashFiles('**/workflows/prettier.yml') }}
+          restore-keys: |
+            ${{ runner.os }}-npm-
+
+      - name: Prettier Check
+        run: npx prettier --check .