[add]: code refractoring and cleanup

app/utils/logger.py

@@ -0,0 +1,13 @@
+import logging
+
+# Configure logging
+logging.basicConfig(
+    level=logging.INFO,
+    format="%(asctime)s - %(levelname)s - %(message)s",
+    handlers=[
+        # logging.StreamHandler(),  
+        logging.FileHandler("app.log", mode='a')  # Log to file
+    ]
+)
+
+logger = logging.getLogger("DetectionService")