add: clang-format check

Author: ObiWahn

.github/workflows/clang-format.yml

@@ -0,0 +1,22 @@
+name: clang-format
+
+on:
+  push:
+    paths-ignore:
+      - 'README.md'
+      - 'doc/**'
+  pull_request:
+    paths-ignore:
+      - 'README.md'
+      - 'doc/**'
+
+jobs:
+  clang-format:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - uses: DoozyX/[email protected]
+      with:
+        extensions: 'hpp,cpp'
+        clangFormatVersion: 14