Make up missing getters and metrics; Update VLC scripts; Start to work on Chrome, update examples instructions

desktop_env/evaluators/metrics/vlc.py

@@ -7,10 +7,10 @@ from xml.etree import ElementTree
 import acoustid
 import cv2
 import imagehash
-from skimage.metrics import structural_similarity as ssim
 import librosa
-from PIL import Image
 import numpy as np
+from PIL import Image
+from skimage.metrics import structural_similarity as ssim
 
 logger = logging.getLogger("desktopenv.metrics.vlc")
 
@@ -40,6 +40,7 @@ def is_vlc_playing(actual_status_path: str, rule: Dict[str, str]) -> float:
         return 0
 
 
+# fixme: part of this function can be moved to getters
 def is_vlc_recordings_folder(actual_config_path: str, rule: Dict[str, str]) -> float:
     """
     Checks if VLC's recording folder is set to the expected value.