✨ Add projects gallery page with responsive grid (Story 2.2)

- Create useFetchProjects composable for API integration
- Implement responsive grid layout (1/2/3/4 columns)
- Add stagger fadeInUp animation with prefers-reduced-motion support
- Include loading skeleton, error state with retry, and empty state
- Configure SEO meta tags via useSeo composable
- Update Project model ordered scope for proper sorting

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

api/app/Models/Project.php

@@ -45,6 +45,8 @@ class Project extends Model
 
     public function scopeOrdered(Builder $query): Builder
     {
-        return $query->orderBy('display_order');
+        return $query->orderByDesc('is_featured')
+            ->orderByDesc('date_completed')
+            ->orderBy('display_order');
     }
 }