feat: Update features and pricing details in the application

- Refactored feature descriptions and added new features for document generation and appointment management.
- Updated the pricing structure, including adjustments to pack prices and additional options for training.
- Introduced a new blog section with initial blog posts.
- Enhanced the technical documentation page with an embedded iframe for better accessibility.
- Improved CSS styles for better responsiveness and visual consistency across the application.
- Updated Hugo configuration to reflect new menu items and page structures.

assets/scss/custom.scss

@@ -18,7 +18,7 @@ $chill-light-blue: #a0dcff;
 .badge-suivi-accompagnements { --badge-color: #EDC74B; }
 .badge-suivi-decisions   { --badge-color: #a0dcff; }
 .badge-suivi-usagers{ --badge-color: #333333; }
-.badge-rendez-vous{ --badge-color: #0d242e; }
+.badge-rendez-vous{ --badge-color: #E27A3E; }
 
 /// Other custom colors
 $bg-dark-blue: #0d242e;
@@ -414,7 +414,7 @@ figure.image {
 
 // RESPONSIVENESS
 
-@media screen and (max-width: 1279px) {
+@media screen and (max-width: 1536px) {
   section {
     &.li-block {
       &.section-5 {