Add address, phone, email, website fields to suppliers

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

database/migrations/2026_09_12_240000_add_contact_fields_to_suppliers.php

@@ -0,0 +1,25 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::table('suppliers', function (Blueprint $table) {
+            $table->string('address')->nullable()->after('name');
+            $table->string('phone')->nullable()->after('address');
+            $table->string('email')->nullable()->after('phone');
+            $table->string('website')->nullable()->after('email');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('suppliers', function (Blueprint $table) {
+            $table->dropColumn(['address', 'phone', 'email', 'website']);
+        });
+    }
+};