feat(organisations-block): enhance OrganisationsBlock with carousel presentation option and improved layout

- Added "carousel" option to the presentation property in OrganisationsBlockData for horizontal slider functionality.
- Updated OrganisationsBlock.svelte to support carousel layout with smooth scrolling feature.
- Refined Badge component styling for better visual consistency.
- Improved overall structure and responsiveness of the organisations display.

src/lib/block-types.ts

@@ -269,8 +269,8 @@ export interface OrganisationsBlockData {
   _slug?: string;
   headline?: string;
   description?: string;
-  /** default = Karten-Grid; compact = engere Karten, kleinere Typo, Logo links */
-  presentation?: "default" | "compact";
+  /** default = Karten-Grid; compact = engere Karten, Logo links; carousel = horizontaler Slider (3 Desktop / 2 Mobile) */
+  presentation?: "default" | "compact" | "carousel";
   addOrganisationTitle?: string;
   addOrganisationMarkdown?: string;
   /** Referenz auf link-Collection (aufgelöst: url, linkName, newTab) */