cleanup and made readme.md useful

mkv/chapter.py

@@ -10,8 +10,7 @@ from typing import Tuple, List
 import json
 
 def get_chapters(file: Path) -> List[Tuple[float, float]]:
-    """Return list of (start_ti
-from .intro_outro importme, duration) for each chapter."""
+    """Return list of (start_time, duration) for each chapter."""
     cmd = [
         "ffprobe",
         "-i", str(file),