issue: 4636978 add clang-format pre-commit hook

Add a pre-commit hook that automatically formats C/C++ source files
using clang-format.

This ensures consistent code formatting across the project and reduces
manual formatting overhead for developers.

Signed-off-by: Tomer Cabouly <[email protected]>

swuash

Author: tomerdbz

.pre-commit-config.yaml

@@ -0,0 +1,6 @@
+repos:
+- repo: https://github.com/pre-commit/mirrors-clang-format
+  rev: v15.0.7
+  hooks:
+  - id: clang-format
+    args: ['-style=file:contrib/jenkins_tests/style.conf']