Add User Guide functionality: Created UserGuide page and GuideService to manage and display user guides. Implemented localization for user guide labels and integrated a search feature for easy navigation. Added markdown support for guide content and established a structured layout for guide selection and display.

app/Filament/Admin/Pages/UserGuide.php

@@ -0,0 +1,65 @@
+<?php
+
+namespace App\Filament\Admin\Pages;
+
+use App\Services\GuideService;
+use BackedEnum;
+use Filament\Pages\Page;
+use Filament\Support\Icons\Heroicon;
+
+class UserGuide extends Page
+{
+    protected static string|BackedEnum|null $navigationIcon = Heroicon::OutlinedBookOpen;
+
+    protected string $view = 'filament.admin.pages.user-guide';
+
+    protected static ?int $navigationSort = 999;
+
+    public ?string $selectedGuide = null;
+
+    public function mount(): void
+    {
+        $guideService = app(GuideService::class);
+        $firstGuide = $guideService->getFirstGuide();
+        
+        if ($firstGuide) {
+            $this->selectedGuide = $firstGuide['slug'];
+        }
+    }
+
+    public static function getNavigationLabel(): string
+    {
+        return __('user-guide.navigation_label');
+    }
+
+    public function getTitle(): string
+    {
+        return __('user-guide.title');
+    }
+
+    public function getGuides(): array
+    {
+        $guideService = app(GuideService::class);
+        return $guideService->getAllGuides();
+    }
+
+    public function getSelectedGuideContent(): ?array
+    {
+        if (!$this->selectedGuide) {
+            return null;
+        }
+
+        $guideService = app(GuideService::class);
+        return $guideService->getGuide($this->selectedGuide);
+    }
+
+    public function selectGuide(string $slug): void
+    {
+        $guideService = app(GuideService::class);
+        
+        if ($guideService->guideExists($slug)) {
+            $this->selectedGuide = $slug;
+        }
+    }
+}
+