Add public API v1 with API key auth, rate limiting, and docs page

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

app/Http/Controllers/Api/V1/MetaApiController.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Http\Controllers\Api\V1;
+
+use App\Http\Controllers\Controller;
+use App\Models\Genre;
+use App\Models\Platform;
+use Illuminate\Http\JsonResponse;
+
+class MetaApiController extends Controller
+{
+    public function genres(): JsonResponse
+    {
+        return response()->json([
+            'data' => Genre::orderBy('name')->get(['id', 'name', 'slug']),
+        ]);
+    }
+
+    public function platforms(): JsonResponse
+    {
+        return response()->json([
+            'data' => Platform::orderBy('name')->get(['id', 'name', 'slug']),
+        ]);
+    }
+}