feat: Update client logos and testimonials, enhance feature descriptions, and improve layout

- Replaced client logos in _index.md with new entries.
- Updated testimonials section to improve clarity and relevance.
- Enhanced feature descriptions in generation-documents.md, rapports-rgpd.md, rapports-statistiques.md, rendez-vous.md, suivi-accompagnements.md, suivi-decisions.md, and suivi-usagers.md for better user understanding.
- Added new images to various feature sections to enrich visual content.
- Introduced new sector pages for "Grandes Collectivités" and "Services et associations" with tailored content.
- Updated CSS for better styling and responsiveness.
- Improved carousel and client logos shortcode for better performance and visual appeal.
- Removed outdated screenshots and replaced hero image with a new format.

themes/chill-theme/layouts/shortcodes/gradient-card-section.html

@@ -3,14 +3,17 @@
 {{ $description := .Get "description" | default "Discover how our platform helps you understand and optimize every aspect of your user experience." }}
 
 <section class="section">
-    <div class="container">
-        <div class="text-center max-w-3xl mx-auto mb-8">
+    <div class="container text-center">
+        <div class=" max-w-3xl mx-auto mb-8">
+            <div  class="">
             <h2 class="text-3xl md:text-4xl font-bold mb-6">{{ $title }}</h2>
+
+            </div>
             <p class="text-xl text-gray-600">{{ $description | markdownify }}</p>
         </div>
 
         <!-- Feature Grid -->
-        <div class="text-center max-w-3xl mx-auto mb-8">
+        <div class="max-w-3xl mx-auto">
             {{ .Inner | safeHTML  }}
         </div>
     </div>