Lots of refactoring

- Removing test mentions in readme
- moving login page as an app
- removing vite broken config
- removing auto-generated and unused vite configuration (base.css)

Overall simplification

(sorry @Wal I kinda destroyed your login page a bit but seems fixable 👉👈)

frontend/vite.config.js

@@ -10,15 +10,6 @@ export default defineConfig({
     vue(),
     topLevelAwait(),
   ],
-  build: {
- 	rollupOptions:{
-		input:{
-			main: './index.html',
-			login: './login/index.html'
-		}
-  
-  	}
-  },
   resolve: {
     alias: {
       '@': fileURLToPath(new URL('./src', import.meta.url))