ci: add prettier.yml

.github/workflows/prettier.yml

@@ -0,0 +1,23 @@
+name: Prettier
+
+on: [push, pull_request]
+jobs:
+  prettier:
+    name: Prettier Check
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v4
+
+      - name: Run Prettier
+        id: prettier-run
+        uses: rutajdash/[email protected]
+        with:
+          config_path: ./package.json
+
+      - name: Prettier Output
+        if: ${{ failure() }}
+        shell: bash
+        run: |
+          echo "The following files are not formatted:"
+          echo "${{steps.prettier-run.outputs.prettier_output}}"