feat(portfolio): add image gallery for creation pictures

- Implemented a responsive image gallery in the portfolio show view.
- Added a loop to display creation pictures with links to their full-size versions.
- Ensured images are properly styled and accessible.

resources/views/public/portfolio-show.blade.php

@@ -31,5 +31,14 @@
         </div>
     </div>
 
+    <div class="container mx-auto px-4 py-24 grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-8">
+        @foreach($creation->creationPictures as $picture)
+            <a href="{{ $picture->getFullsizeUrl() }}" target="_blank" rel="noopener noreferrer" class="self-center">
+                <img class="w-full h-auto rounded-2xl" src="{{ $picture->getMediumSizeUrl() }}"
+                     alt="{{ $creation->nameTranslationKey->getTranslation() }}" loading="eager"/>
+            </a>
+        @endforeach
+    </div>
+
     <x-public.footer/>
 @endsection
\ No newline at end of file