ci: Added linter workflow

Signed-off-by: Taras Drozdovskyi <t.drozdovsky@samsung.com>

.github/workflows/linter.yml

@@ -0,0 +1,26 @@
+name: cpp-linter
+
+on: [push, pull_request]
+
+jobs:
+  cpp-linter:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: cpp-linter/cpp-linter-action@v2
+        id: linter
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          style: file
+          # The following value will only update a single comment
+          # in a pull request's thread. Set it to false to disable the comment.
+          # Set it to true to post a new comment (and delete the old comment).
+          # thread-comments: ${{ github.event_name == 'pull_request' && 'update' }}
+          thread-comments: ${{ github.event_name == 'push' && 'update' }}
+
+      - name: Fail fast?!
+        if: steps.linter.outputs.checks-failed > 0
+        run: echo "Some files failed the linting checks!"
+        # for actual deployment
+        # run: exit 1