[ruff] add flake8-commas and fixes

Author: Galarzaa90

pyproject.toml

@@ -178,6 +178,8 @@ select = [
     "S",
     # flake8-bugbear
     "B",
+    # flake8-commas
+    "COM",
 
 ]
 ignore = [

server.py

@@ -410,7 +410,7 @@ async def get_auction(
         auction_id: int = Path(...),
         skip_details: bool = Query(
             False,
-            description="Whether to skip the auction details and only fetch the basic information."
+            description="Whether to skip the auction details and only fetch the basic information.",
         ),
         fetch_items: bool = Query(False, description="Whether to fetch additional item pages (if available)."),
         fetch_mounts: bool = Query(False, description="Whether to fetch additional mounts pages (if available)."),