Try add prettier

.github/workflows/prettier.yml

@@ -0,0 +1,34 @@
+name: Prettier Action
+
+on:
+  pull_request:
+    branches: [main]
+permissions:
+  contents: write
+
+jobs:
+  prettier:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        if: github.event.pull_request.head.repo.full_name == 'XTLS/Xray-docs-next'
+        uses: actions/checkout@v6
+        with:
+          ref: ${{ github.head_ref }}
+      - name: Checkout
+        if: github.event.pull_request.head.repo.full_name != 'XTLS/Xray-docs-next'
+        uses: actions/checkout@v6
+        with:
+          fetch-depth: 2
+      - name: Prettify code
+        if: github.event.pull_request.head.repo.full_name == 'XTLS/Xray-docs-next'
+        uses: creyD/prettier_action@v4.6
+        with:
+          prettier_options: --write **/*.{js,ts,md,vue}
+      - name: Prettify code dry run
+        if: github.event.pull_request.head.repo.full_name != 'XTLS/Xray-docs-next'
+        uses: creyD/prettier_action@v4.6
+        with:
+          prettier_options: --write **/*.{js,ts,md,vue}
+          only_changed: true
+          dry: true

.prettierignore

@@ -0,0 +1 @@
+node_modules/

.prettierrc

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+{
+overrides: [
+    {
+        files: ['**/*.jsonc', '**/*.md'],
+        options: {
+            trailingComma: 'none',
+        }
+    }
+]
+}