feat: add Frontend

.editorconfig

.gitignore

.vscode/extensions.json

LICENSE

README.md

eslint.config.js

index.html

jsconfig.json

package-lock.json

package.json

public/logo.png

src/App.vue

src/assets/base.css

src/assets/logo.svg

src/assets/main.css

src/components/FootBar.vue

src/components/NavBar.vue

src/components/icons/footer-logo.png

src/components/icons/nju-logo.png

src/main.js