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.

packages/shared/src/schemas/groups.ts

@@ -56,15 +56,7 @@ export const GroupListSchema = z.object({
 });
 export type GroupList = z.output<typeof GroupListSchema>;
 
-export const CreateGroupFromOrganizationSchema = z.strictObject({
-  organizationId: z.string().min(1),
-});
-export type CreateGroupFromOrganization = z.output<typeof CreateGroupFromOrganizationSchema>;
-
-export const CreateGroupFromOrganizationResultSchema = z.object({
+export const CreateGroupResultSchema = z.object({
   group: GroupDtoSchema,
-  alreadyExists: z.boolean(),
 });
-export type CreateGroupFromOrganizationResult = z.output<
-  typeof CreateGroupFromOrganizationResultSchema
->;
+export type CreateGroupResult = z.output<typeof CreateGroupResultSchema>;