ci: add automated code style checking

.github/workflows/format-check.yml

@@ -0,0 +1,24 @@
+
+# .github/workflows/format-check.yml
+name: Code Format Check
+
+on:
+  push:
+    branches: [ "main", "master" ]
+  pull_request:
+    branches: [ "main", "master" ]
+
+jobs:
+  clang-format:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install clang-format
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y clang-format
+
+      - name: Check C++ code formatting
+        run: |
+          find src include -name "*.cpp" -o -name "*.hpp" | xargs clang-format --dry-run --Werror