Made authorization.

app/Repositories/UserRepository.php

@@ -0,0 +1,14 @@
+<?php declare(strict_types=1);
+
+namespace App\Repositories;
+
+use App\Models\User;
+use Illuminate\Support\Str;
+
+final readonly class UserRepository
+{
+    public function getUserByEmail(string $email): ?User
+    {
+        return User::query()->where('email', Str::lower($email))->first();
+    }
+}