✨ 매도 이후 보유 수량이 0 이하인 경우 marketholding 제거#118

ruddmslee merged 1 commit intomainline4-hackathon/tomolow-be:mainfrom

feat/89-feat-usergroup-market-holdingline4-hackathon/tomolow-be:feat/89-feat-usergroup-market-holdingCopy head branch name to clipboard