chore: add prettier action

Author: yanglbme

.github/workflows/prettier.yml

@@ -0,0 +1,23 @@
+name: prettify-code
+
+on:
+  pull_request:
+    branches: [main]
+
+jobs:
+  prettier:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          ref: ${{ github.head_ref }}
+          fetch-depth: 0
+
+      - name: Prettify code
+        uses: creyD/prettier_action@v4.3
+        with:
+          prettier_options: --write **/*.{js,ts,md}
+          only_changed: True
+          commit_message: "style: format code with prettier"