added clang format to pre-commit-hook

.pre-commit-config.yaml

@@ -6,4 +6,9 @@ repos:
     # Run the linter.
     - id: ruff
     # Run the formatter.
-    - id: ruff-format
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+    - id: ruff-format
+
+- repo: https://github.com/pre-commit/mirrors-clang-format
+  rev: v19.1.4
+  hooks:
+  - id: clang-format
\ No newline at end of file

README.md

@@ -28,3 +28,9 @@ export PKG_CONFIG_PATH=$(pwd -P)/venv/lib/pkgconfig
 export MPI_ROOT=/sw/spack-levante/openmpi-4.1.2-mnmady
 python -m pip install git+https://gitlab.dkrz.de/nils/coyote.git
 ```
+
+## Contributing
+
+* Ensure the use of .clang-format and ruff configurations provided in your dev-env
+* Try to write atleast 1 test per feature developed
+* Ensure that the MR and Issues are created using appropriate templates
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