Add code style check

.github/workflows/checks.yml

@@ -0,0 +1,13 @@
+name: Checks
+on: [push, pull_request]
+jobs:
+  clang-formatting-check:
+    name: Formatting Check
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: Run clang-format style check for C/C++/Protobuf programs.
+      uses: jidicula/[email protected]
+      with:
+        clang-format-version: '13'
+        check-path: 'src'