switch the ci to use precommit

.gitlab-ci.yml

@@ -15,7 +15,7 @@ stages:
   - ls -l
   - pip install -U pip
   - pip --version
-  - pip install pytest black ruff pydocstyle
+  - pip install pytest black ruff pydocstyle pre-commit rstcheck
   - pytest --version
   - cat /etc/issue
 
@@ -75,15 +75,7 @@ style:
   image: python:latest
   script:
     - *prepare_style
-    - black --version
-    - ruff --version
-    - pydocstyle --version
-    - ruff .
-    - black --check --diff .
-    - pydocstyle src/mpsd_software_manager/mpsd_software.py
-    - pydocstyle tests/test_mpsd_software.py
-    # we could also use `ruff --select D` for pycodestyle. But the behaviour is not exactly the same.
-    - src/mpsd_software_manager/mpsd_software.py --version
+    - pre-commit run --all-files
 
 
 test-bullseye: