prod 빌드 시 몬스터 에셋 로딩되지 않는 이슈

A-Frame:error This HTML file is currently being served via the file:// protocol. Assets, textures, and models WILL NOT WORK due to cross-origin policy! Please use a local or hosted server: https://aframe.io/docs/0.5.0/introduction/getting-started.html#using-a-local-server.