Add clang format and used it for bitset (#240)

* Add clang format file .clang-format

* Use clang format on bitset


---------

Co-authored-by: MeirGavish <meir.gavish@gmail.com>

.github/workflows/run_tests_ci_workflow.yml

@@ -9,9 +9,19 @@ jobs:
     name: Run Tests
     runs-on: ubuntu-latest
     steps:
+      - name: Install clang-format
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y clang-format
       - name: Checkout repository
         uses: actions/checkout@v5
 
+      - name: Clang Format
+        run: clang-format --dry-run -Werror include/bitset.h source/bitset.c
+        # Currently contains only the code that has been formatted to conform
+        # When all existing code conforms, change to this:
+        # run: clang-format --dry-run -Werror include/*.h source/*.c
+
       - name: Run Tests
         run: cd tests && ./run_tests.sh