Add action

.github/workflows/cpp-linting.yml

@@ -0,0 +1,19 @@
+name: cpp-linting
+on:
+  pull_request:
+    
+jobs:
+  cpp-linter:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: shenxianpeng/cpp-linter-action@master
+        id: linter
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          style: file
+
+      - name: Result
+        if: steps.linter.outputs.checks-failed > 0
+        run: exit 1