Add QA workflow

.github/workflows/formatting.yml

@@ -0,0 +1,37 @@
+name: Pull Request Quality Assurance
+on:
+    pull_request:
+
+jobs:
+    ruff-check:
+        name: Ruff linter check
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v4
+            - uses: ChartBoost/ruff-action@main
+    ruff-format-check:
+        name: Ruff formatting check
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v4
+            - uses: ChartBoost/ruff-action@main
+              with:
+                  args: "format --check"
+
+    clang-format-check:
+        name: C/C++ code format checking
+        runs-on: ubuntu-latest
+
+        strategy:
+            fail-fast: false
+            matrix:
+                path:
+                    - "src"
+                    - "lib"
+
+        steps:
+            - uses: actions/checkout@v4
+            - uses: jidicula/clang-format-action@main
+              with:
+                  clang-format-version: "18"
+                  check-path: ${{ matrix.path }}