refactor(uniswap-v2): log file rename

uniswap-v2/.gitignore

@@ -1,2 +1,3 @@
 data/
+config/
 *.bat

uniswap-v2/main.py

@@ -77,7 +77,7 @@ class UniversalLPPositionTracker:
         os.makedirs("logs", exist_ok=True)
 
         log_format = "%(asctime)s - %(levelname)s - %(message)s"
-        log_filename = f"logs/{datetime.now().strftime('%Y%m%d_%H%M%S')}.log"
+        log_filename = f"logs/{datetime.now().strftime('%Y-%m-%d')}.log"
 
         logging.basicConfig(
             level=logging.INFO,