remove: delete unused files

reference/.gitignore

reference/README.md

reference/eslint.config.js

reference/index.html

reference/package-lock.json

reference/package.json

reference/public/ajoulib_bottom_logo.png

reference/public/ajoulib_logo.png

reference/public/ajoulib_logo_4x.png

reference/public/ajoulib_reading_chito.png

reference/public/fonts/AjouOTF.otf

reference/public/quota_close.png

reference/public/quota_open.png

reference/public/vite.svg

reference/src/App.style.ts

reference/src/App.tsx

reference/src/api/request.ts

reference/src/components/Logo.module.css

reference/src/components/Logo.tsx

reference/src/components/client/ContentWrap/index.tsx