ci: add format workflow

.github/workflows/format.yml

@@ -0,0 +1,38 @@
+name: Format
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  format:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      security-events: write
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v2
+      - name: Setup Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version-file: .node-version
+          cache: pnpm
+          cache-dependency-path: pnpm-lock.yaml
+
+      - name: Install dependencies
+        run: pnpm install --dev
+
+      - name: Format
+        run: pnpm run format
+
+      - name: Commit changes
+        uses: EndBug/add-and-commit@v9
+        with:
+          default_author: github_actions
+          message: "style: fmt"

.prettierrc

@@ -8,7 +8,8 @@
 		{
 			"files": "**/*.{yml,yaml}",
 			"options": {
-				"singleQuote": false
+				"singleQuote": false,
+				"tabWidth": 2
 			}
 		}
 	]

package.json

@@ -62,6 +62,7 @@
 		"cspell": "^7.0.0",
 		"eslint": "^8.47.0",
 		"eslint-config-prettier": "^9.0.0",
+		"prettier": "^3.0.1",
 		"prettier-plugin-tailwindcss": "^0.5.2",
 		"rimraf": "^5.0.1"
 	},