Add documentation

scripts/config.py

@@ -6,6 +6,7 @@ class Singleton(type):
     _instances = {}
 
     def __call__(cls, *args, **kwargs):
+        """Call method for the singleton metaclass."""
         if cls not in cls._instances:
             cls._instances[cls] = super(
                 Singleton, cls).__call__(
@@ -19,11 +20,14 @@ class Config(metaclass=Singleton):
     """
 
     def __init__(self):
+        """Initialize the configuration class."""
         self.continuous_mode = False
         self.speak_mode = False
 
     def set_continuous_mode(self, value: bool):
+        """Set the continuous mode value."""
         self.continuous_mode = value
 
     def set_speak_mode(self, value: bool):
+        """Set the speak mode value."""
         self.speak_mode = value