feat: add optional 'dni' and 'telefono' fields to User model and registration process

database/migrations/2026_07_03_192239_add_dni_and_telefono_to_users_table.php

@@ -0,0 +1,29 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('users', function (Blueprint $table) {
+            $table->string('dni')->nullable()->after('email');
+            $table->string('telefono')->nullable()->after('dni');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('users', function (Blueprint $table) {
+            $table->dropColumn(['dni', 'telefono']);
+        });
+    }
+};