Add clang-format CI check

.github/workflows/ci.yml

@@ -9,6 +9,16 @@ on:
     - cron: "0 6 * * 1-5"
 
 jobs:
+  check_format:
+    name: Check codebase format with clang-format
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Run clang-format dry-run
+        run: find include/ src/ tests/ examples/ -iname -o -iname "*.h" -o -iname "*.c" | xargs clang-format -n -Werror
+
   build:
     name: Build on ${{ matrix.os }}
     runs-on: ${{ matrix.os }}