feat(interface-design): add comprehensive interface design skill documentation and references

- Introduced SKILL.md outlining the principles and processes for effective interface design.
- Added critique.md for evaluating design outputs and ensuring craft over correctness.
- Created example.md to illustrate the application of subtle layering principles in design decisions.
- Developed principles.md detailing core craft principles for consistent design quality.
- Implemented validation.md for memory management and pattern reuse in the design system.
- Established system.md for the Playzer design system, defining direction, domain concepts, and design decisions.
- Added StatusBadge component for displaying booking statuses with appropriate styles and labels.
- Updated skills-lock.json to include the new interface-design skill.

apps/backend/test/complex/invite-complex-user.test.ts

@@ -1,10 +1,10 @@
 import { beforeEach, expect, mock, test } from 'bun:test';
 
-import { prismaMock, sendMailMock, transactionMock } from '../support/prisma.mock';
 import {
   ComplexMembersError,
   inviteComplexUser,
 } from '@/modules/complex/services/complex-members.service';
+import { prismaMock, sendMailMock, transactionMock } from '../support/prisma.mock';
 
 beforeEach(() => {
   prismaMock._reset();