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/lib/helpers.ts

@@ -1,7 +1,7 @@
 import type { PrismaClient } from '@generated/prisma/client';
 import type { BillingType, GroupDto, WeekDay } from '@gruperly/shared';
 
-export type GroupDb = Pick<PrismaClient, 'group' | 'groupMember' | 'organization'>;
+export type GroupDb = Pick<PrismaClient, 'group' | 'groupMember'>;
 
 type PriceLike = { toString(): string };