Change database log messages to loglevel DEBUG

src/ddns_service/app.py

@@ -37,7 +37,7 @@ class Application:
     def init_database(self):
         """Initialize database connection."""
         init_database(self.config)
-        logging.info("Database initialized")
+        logging.debug("Database initialized")
 
     def init_dns(self):
         """Initialize DNS service."""