add a pre-commit hook config file

.pre-commit-hooks.yaml

@@ -0,0 +1,9 @@
+- id: vulture
+  name: vulture
+  language: python
+  entry: vulture
+  description: Find unused Python code.
+  types: [python]
+  pass_filenames: false
+  require_serial: true
+

CHANGELOG.md

@@ -1,3 +1,7 @@
+# unreleased 
+
+* Add [pre-commit](https://pre-commit.com) hook (Clément Robert #244).
+
 # 2.2 (2021-01-15)
 
 * Only parse format strings when being used with `locals()` (jingw, #225).

README.md

@@ -24,6 +24,23 @@ tool for higher code quality.
 
     $ pip install vulture
 
+### Version control integration
+
+After installing [pre-commit](https://pre-commit.com/#install), add the 
+following to the `.pre-commit-config.yaml` file in your repository:
+
+```yaml
+repos:
+  - repo: https://github.com/jendrikseipp/vulture
+    rev: 2.3
+    hooks:
+      - id: vulture
+```
+
+Then run `pre-commit install`. In order to run Vulture before each commit, you will also
+need to specify all files that should be checked in the `pyproject.toml` file under the
+`paths` key.
+
 ## Usage
 
     $ vulture myscript.py  # or