Add linting scripts and pipeline (#201)

* Add linting scripts and pipeline

script/lint_isort

@@ -0,0 +1,28 @@
+#!/usr/bin/env python3
+import subprocess
+import venv
+from pathlib import Path
+import sys
+
+_DIR = Path(__file__).parent
+_PROGRAM_DIR = _DIR.parent
+_VENV_DIR = _PROGRAM_DIR / ".venv"
+_MODULE_DIR = _PROGRAM_DIR / "linux_voice_assistant"
+
+_LINT_DIRS = [_MODULE_DIR]
+
+if _VENV_DIR.exists():
+    context = venv.EnvBuilder().ensure_directories(_VENV_DIR)
+    python_exe = context.env_exe
+else:
+    python_exe = "python3"
+
+# Überprüfen, ob --auto angegeben wurde
+auto_fix = "--auto" in sys.argv
+
+if auto_fix:
+    # Automatisch formatieren
+    subprocess.check_call([python_exe, "-m", "isort"] + _LINT_DIRS)
+else:
+    # Nur prüfen, ob Formatierung korrekt ist
+    subprocess.check_call([python_exe, "-m", "isort"] + _LINT_DIRS + ["--check", "--diff"])