Scaffold the Livewire Material package

The skeleton for nonameweb/livewire-material: service provider and config
(unprefixed components, blade-icons' own <x-icon> switched off, an opt-in
showcase at /material), the Testbench Workbench with its Vite build, the
CSS and JS entry points applications import, the Boost guideline and skill
with a drift test, and Gitea CI running Pint, feature tests on PHP 8.4 and
8.5, and browser tests in Chrome, Firefox and Safari.

The plan moved here from SealShare: docs/plans/livewire-material.md.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01V9NnLxnPp8vaaurb3Z1MFy

workbench/app/Providers/WorkbenchServiceProvider.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace Workbench\App\Providers;
+
+use Illuminate\Support\Facades\Vite;
+use Illuminate\Support\ServiceProvider;
+
+use function Orchestra\Testbench\workbench_path;
+
+class WorkbenchServiceProvider extends ServiceProvider
+{
+    /**
+     * Point the showcase at the Workbench's own Vite entries and dev server.
+     *
+     * Set in boot() rather than register(): config merging is shallow, so a nested key
+     * written before the package merges its defaults would replace the whole
+     * `showcase` array.
+     */
+    public function boot(): void
+    {
+        config(['livewire-material.showcase.vite' => [
+            'workbench/resources/css/app.css',
+            'workbench/resources/js/app.js',
+        ]]);
+
+        Vite::useHotFile(workbench_path('public/hot'));
+    }
+}