Create AttendanceController & TeamMemberController

Description

Implement Attendance and TeamMember controllers with required endpoints.

Acceptance Criteria

  • AttendanceController.index() - get event attendance
  • AttendanceController.store() - submit/update RSVP
  • TeamMemberController.index() - list all members
  • Routes configured in api.php
  • updateOrCreate for RSVP updates

Implementation Steps

  1. php artisan make:controller Api/AttendanceController
  2. php artisan make:controller Api/TeamMemberController
  3. Implement methods
  4. Add routes with proper versioning

Reference

  • Roadmap: docs/roadmaps/Implementation_Roadmap_Backend.md Phase 4
  • Standards: backend/CLAUDE.md

Related Issues

  • Depends on: #6, #7
  • Blocks: #13