chore: sanitize personal paths, add README

extract.py

@@ -106,8 +106,8 @@ if _cfg_inputs is not None:
     inputs = _cfg_inputs
 else:
     inputs = [
-        "/path/to/movie_b.mp4",
-        "/path/to/movie_a.mkv"
+        "/path/to/movie_a.mp4",
+        "/path/to/movie_b.mkv"
     ]
 INPUT_FILES = []
 for input_file in inputs: