[9.x] Vite (#5904)

* Use Vite

* Gitignore Vite build directory

* Use CSS entry points

* Update plugin

* Linting

* Update plugin

resources/js/bootstrap.js

@@ -25,7 +25,7 @@ window.axios.defaults.headers.common['X-Requested-With'] = 'XMLHttpRequest';
 
 // window.Echo = new Echo({
 //     broadcaster: 'pusher',
-//     key: process.env.MIX_PUSHER_APP_KEY,
-//     cluster: process.env.MIX_PUSHER_APP_CLUSTER,
+//     key: import.meta.env.VITE_PUSHER_APP_KEY,
+//     cluster: import.meta.env.VITE_PUSHER_APP_CLUSTER,
 //     forceTLS: true
 // });