N'Bayramberdiyev

This PR fixes a typo in [Tries](https://btholt.github.io/complete-intro-to-computer-science/tries) lesson.

This PR; - transitions from Laravel Mix to Vite (see https://github.com/laravel/laravel/pull/5904), - switches to ESM imports (see https://github.com/laravel/laravel/pull/5895), - removes `package-lock.json` since we don’t use it. These changes might seem...

This PR; - adds PHP native types to methods, properties, and method parameters where possible, - corrects some type declarations, - corrects PHPUnit tear down method name (renames from `tear_down`...

I'm having trouble while releasing the lock. Here are examples: ```php $lock = Cache::lock('foo', 10); if ($lock->get()) { // Lock acquired for 10 seconds... // Does not release the lock,...