Code format workflow

.github/workflows/format.yaml

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+name: Code Format Test
+
+on:
+  pull_request:
+    branches: [ "master" ]
+
+  push: 
+    branches: [ "master" ]
+
+jobs:
+  pre-commit:
+    name: Format
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - uses: actions/setup-python@v4
+      with:
+        python-version: '3.10'
+
+    - name: Install clang-format-12
+      run: sudo apt-get install clang-format-12
+
+    - name: Install and run pre-commit
+      run: |
+       python -m pip install pre-commit
+       git fetch origin
+       pre-commit run --show-diff-on-failure --color=always --from-ref origin/master --to-ref HEAD
+      id: precommit

.pre-commit-config.yaml

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+repos:
+- repo: https://github.com/pre-commit/mirrors-clang-format
+  rev: v14.0.6
+  hooks:
+  - id: clang-format
+    files: \.(c|cpp|h)$