feat: add version updater and statistics enhancements (fixes #29)

- Implemented version checking system with update notifications
- Integrated Git for fetching and downloading the latest version
- Added statistics updates
- Removed unused code across the project
- Condensed project structure
- Updated README
- Cleaned up UI

utils/setup.py

@@ -83,7 +83,18 @@ def get_base_directory() -> Path:
         return home / ".local" / "share" / "Loxide"
 
 
-def configure_logging(log_dir: Path, log_level: str = "INFO"):
+def configure_logging(log_dir: Path, cache_dir: Path, log_level: str = "INFO"):
+    """
+    Configure logging and return function to attach notification handler.
+
+    Args:
+        log_dir: Directory for log files
+        cache_dir: Directory for cache files (used by version checker)
+        log_level: Logging level string
+
+    Returns:
+        Function to attach notification handler to Textual app
+    """
     log_file = log_dir / "Loxide.log"
 
     config = {
@@ -134,7 +145,8 @@ def configure_logging(log_dir: Path, log_level: str = "INFO"):
 
     # Return a function to attach the notification handler once the app is created
     def attach_notification_handler(app):
-        """Attach the Textual notification handler to the root logger."""
+        """Attach the Textual notification handler and version checker to the app."""
+        # Attach logging handler
         handler = TextualNotificationHandler(app)
         handler.setLevel(logging.WARNING)  # Only WARNING and above
         formatter = logging.Formatter("%(name)s: %(message)s")
@@ -142,6 +154,17 @@ def configure_logging(log_dir: Path, log_level: str = "INFO"):
         logging.getLogger().addHandler(handler)
         logging.getLogger().debug("✅ Textual notification handler attached.")
 
+        # Attach version checker (checks in background, notifies if update available)
+        try:
+            from utils.versionchecker import create_update_notifier
+
+            create_update_notifier(app, cache_dir=cache_dir)
+            logging.getLogger().debug("✅ Version checker attached.")
+        except ImportError as e:
+            logging.getLogger().debug(f"Version checker not available: {e}")
+        except Exception as e:
+            logging.getLogger().warning(f"Could not initialize version checker: {e}")
+
     return attach_notification_handler
 
 
@@ -173,7 +196,7 @@ def setup():
 
     # Configure logging with system-defined log level
     log_level = get_system_value("LOG_LEVEL", str, "INFO")
-    attach_handler = configure_logging(dirs["logs"], log_level)
+    attach_handler = configure_logging(dirs["logs"], dirs["cache"], log_level)
 
     # Load user config (mutable)
     load_user_config(dirs["config"])