feat(groups): implement group creation functionality and refactor related components

- Removed organization dependency from group creation logic.
- Introduced new route and use-case for creating groups.
- Refactored form handling for group creation into a reusable GroupForm component.
- Updated API calls to support new group creation endpoint.
- Adjusted tests to reflect changes in group creation logic and validation.
- Removed obsolete organizations route and related components.
- Updated breadcrumb navigation and routing for group management.

apps/backend/src/modules/groups/routes.ts

@@ -4,7 +4,7 @@ import bulkCreateAttendeesRoute from '../attendees/features/bulk-create/route';
 import createAttendeeRoute from '../attendees/features/create/route';
 import removeAttendeeRoute from '../attendees/features/remove/route';
 import groupWaitlistRoutes from '../group-waitlist/routes';
-import createFromOrganizationRoute from './features/create-from-organization/route';
+import createGroupRoute from './features/create/route';
 import getAllRoute from './features/get-all/route';
 import getByIdRoute from './features/get-by-id/route';
 import inviteTokenRoute from './features/invite-token/route';
@@ -13,7 +13,7 @@ import listAttendeesRoute from './features/list-attendees/route';
 const routes = new Hono();
 
 routes.route('/', getAllRoute);
-routes.route('/from-organization', createFromOrganizationRoute);
+routes.route('/', createGroupRoute);
 routes.route('/', inviteTokenRoute);
 routes.route('/', listAttendeesRoute);
 routes.route('/', createAttendeeRoute);