Logs folder and activity log date default

backend/src/main/resources/application.yml

@@ -69,7 +69,7 @@ openrouter:
 
 logging:
   file:
-    name: ${LOG_FILE:log.txt}
+    name: ${LOG_FILE:logs/app.log}
   level:
     com.petshop: ${LOG_LEVEL:INFO}
     org.springframework.security: ${LOG_LEVEL_SECURITY:WARN}