lots of improvements

database/migrations/0001_01_01_000000_create_users_table.php

@@ -14,6 +14,7 @@ return new class extends Migration
         Schema::create('users', function (Blueprint $table) {
             $table->id();
             $table->string('name');
+            $table->string('slug')->unique();
             $table->string('email')->unique();
             $table->timestamp('email_verified_at')->nullable();
             $table->string('password');