feat: add navigation items for Preview and Live sites in AdminPanelProvider (#21)

Co-authored-by: jon brookes <marshyon@gmail.com>
Reviewed-on: https://codeberg.org/headshed/share-lt/pulls/21

app/Providers/Filament/AdminPanelProvider.php

@@ -25,6 +25,25 @@ class AdminPanelProvider extends PanelProvider
 {
     public function panel(Panel $panel): Panel
     {
+        $previewSiteUrl = env('PREVIEW_SITE_URL');
+        $liveSiteUrl = env('LIVE_SITE_URL');
+
+        $navigationItems = [];
+        if ($previewSiteUrl && $liveSiteUrl) {
+            $navigationItems = [
+                \Filament\Navigation\NavigationItem::make('Preview Site')
+                    ->url($previewSiteUrl, shouldOpenInNewTab: true)
+                    ->icon('heroicon-o-eye')
+                    ->group('External Links')
+                    ->sort(1),
+                \Filament\Navigation\NavigationItem::make('Live Site')
+                    ->url($liveSiteUrl, shouldOpenInNewTab: true)
+                    ->icon('heroicon-o-rocket-launch')
+                    ->group('External Links')
+                    ->sort(2),
+            ];
+        }
+
         return $panel
             ->default()
             ->sidebarCollapsibleOnDesktop()
@@ -49,6 +68,7 @@ class AdminPanelProvider extends PanelProvider
                 AccountWidget::class,
                 FilamentInfoWidget::class,
             ])
+            ->navigationItems($navigationItems)
             ->middleware([
                 EncryptCookies::class,
                 AddQueuedCookiesToResponse::class,