style: use ruff for linting and formatting (#524)

server/reflector/views/rtc_offer.py

@@ -6,6 +6,7 @@ from aiortc import MediaStreamTrack, RTCPeerConnection, RTCSessionDescription
 from fastapi import APIRouter, Request
 from prometheus_client import Gauge
 from pydantic import BaseModel
+
 from reflector.events import subscribers_shutdown
 from reflector.logger import logger
 from reflector.pipelines.runner import PipelineRunner