Split browser.php to commands with routes.

src/Controller/CategoryController.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace Krzysiej\RyobiCrawler\Controller;
+
+use Krzysiej\RyobiCrawler\Models\Product;
+
+final class CategoryController extends BaseController
+{
+    public function __invoke(string $category): void
+    {
+        $products = Product::with('price')
+            ->selectRaw('products.*')
+            ->fromRaw('products, json_each(products.categories)')
+            ->whereRaw('json_each.value = ?', [$category])
+            ->orderByDesc('starred')
+            ->orderByDesc('created_by')
+            ->get();
+        $this->twig->display('productList.html.twig', ['products' => $products]);
+    }
+}