Add missing docs about the git pre-commit hook

CONTRIBUTING.md

@@ -19,6 +19,16 @@ just check
 just docs
 ```
 
+A git pre-commit hook that will run `just check` at every commit and block it if something is wrong can be installed with:
+```sh title="Command Line"
+just install-hook
+```
+
+You can uninstall it with:
+```sh title="Command Line"
+just uninstall-hook
+```
+
 See more recipes with:
 ```sh title="Command Line"
 just help

src/knuckles/__init__.py

@@ -1,3 +1,5 @@
+from importlib.metadata import version
+
 from ._api import RequestMethod
 from ._media_retrieval import SubtitlesFileFormat
 from ._subsonic import Subsonic
@@ -27,7 +29,6 @@
 from .models._system import License, SubsonicResponse
 from .models._user import User
 from .models._video import AudioTrack, Captions, Video, VideoInfo
-from importlib.metadata import version
 
 __version__ = version("knuckles")
 

tests/api/test_system.py

@@ -1,10 +1,11 @@
+from importlib.metadata import version
 from typing import Any
 
 import responses
 from dateutil import parser
 from knuckles import Subsonic, __version__
 from responses import Response
-from importlib.metadata import version
+
 from tests.conftest import AddResponses