add migration for licenses table

Author: steven-fox

database/migrations/2025_05_14_013051_create_licenses_table.php

@@ -0,0 +1,35 @@
+<?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::create('licenses', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('user_id');
+            $table->foreignId('subscription_item_id')->nullable();
+            $table->string('policy_name');
+            $table->string('key');
+            $table->timestamp('expires_at')->nullable();
+            $table->timestamps();
+
+            $table->index('user_id');
+            $table->index('subscription_item_id');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('licenses');
+    }
+};