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- Removed outdated screenshots and replaced hero image with a new format.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/partials/shortcodes/carousel.html

@@ -9,7 +9,7 @@ Author: Jeroen van der Schee
   <div class="carousel-slides">
     {{ range .images }}
     <div class="carousel-slide">
-      <img src="{{ . }}" alt="Carousel image" loading="lazy" />
+      <img src="{{ . }}" alt="Carousel image" loading="lazy" style="object-fit: contain;" />
     </div>
     {{ end }}
   </div>