Allow team wiki uploads

Summary by CodeRabbit

Release Notes

• New Features

  • Added support for Wiki CDN and bucket configurations.
  • Introduced new competition deliverables with open and close times.
  • Added new deliverable groups and types.

• Enhancements

  • Updated activity log events with new team wiki activities.
  • Enhanced deliverables with pagination and sorting features.

• Bug Fixes

  • Corrected session types and statuses for event management.

• Documentation

  • Updated example environment configuration.

• Other

  • Added new feature flag for deliverables dashboard visibility.