also describe pre-commit

README.md

@@ -31,11 +31,23 @@ uv pip install -e ".[dev]"
 This creates the virtual environment in the `.venv` directory.
 To activate the environment in your shell, you need to `source` the correct activation script from `.venv/bin`, e.g. `.venv/bin/activate` for bash.
 
+### Install `pre-commit`
+
+To check and format the code automatically, you can use `pre-commit`.
+In general, you can use the latest version.
+
+```bash
+pipx install pre-commit
+pre-commit install
+```
+
+Now, the checks will be run automatically before each commit.
+The first time you might have some delay because the hooks are installed.
+
 ### Install `nox`
 
 To run the tests the same way as in the CI, you can use `nox`.
 In general, you can use the latest version.
-It's suggested to install it with `pipx` but any other way is fine too.
 
 ```bash
 pipx install nox