minor fixes

database/migrations/2026_06_01_000007_create_game_websites_table.php

@@ -7,7 +7,7 @@ return new class extends Migration {
         Schema::create('game_websites', function (Blueprint $table) {
             $table->id();
             $table->foreignId('game_id')->constrained()->cascadeOnDelete();
-            $table->unsignedTinyInteger('category');
+            $table->unsignedTinyInteger('category')->nullable(true);
             $table->string('url');
             $table->timestamps();
         });