actually load config to read timezone for clock

config/config.json

@@ -73,7 +73,7 @@
     },
     "clock": {
         "enabled": true,
-        "format": "%H:%M:%S",
+        "format": "%I:%M %p",
         "update_interval": 1
     },
     "weather": {

src/clock.py

@@ -12,7 +12,7 @@ logger = logging.getLogger(__name__)
 class Clock:
     def __init__(self, display_manager: DisplayManager = None):
         self.config_manager = ConfigManager()
-        self.config = self.config_manager.config
+        self.config = self.config_manager.load_config()
         # Use the provided display_manager or create a new one if none provided
         self.display_manager = display_manager or DisplayManager(self.config.get('display', {}))
         logger.info("Clock initialized with display_manager: %s", id(self.display_manager))