Create fmt.yml

.github/workflows/fmt.yml

@@ -0,0 +1,22 @@
+name: Format Check
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  format-check:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Install Ruff
+        uses: astral-sh/ruff-action@v2.0.0
+        with:
+          args: check
+          src: .
+          version: latest