Merge pull request #108 from codeit-garden/#5.2

fix: 스탑워치 index 추가

Author: vcz-Chan

src/background/focusTimeWorker.js

@@ -130,6 +130,7 @@ setInterval(async () => {
 
           const data = event.data;
           data.currentFlowerImage = getUpdatedFlowerImage(data.quarter + 1, data.FlowerImage);
+          data.index = event.quarter + 1
           data.now = Date.now();
 
           data.time = convertSecondsToString(Math.floor((Date.now() - new Date(data.createdAt).getTime())/1000))