* feat(backoffice): create a boilerplate page for Hackathon dashboard
- Create an empty page for Hackathon dashboard
- Comment out and hide the existing backoffice sidebar
* feat(backoffice): Create a nested/dropdown sidebar list
- Create a dropdown sidebar list
- Show back the old navigation and group them
- Make the sidebar responsive for mobile view
* test datatable with mock data
* base UI for Hackathon backoffice
TODO:
- Organize table schema for users, teams, and submissions management
- Create API Contract for additional back-end endpoint
* feat(hackathon): draft data table column & API Contract
* update endpoint
* feat(backoffice): update page hackathon user management
- update data table component
- update filtering & pagination
- add modal display to edit and add user
- hide notification icon in backoffice wrapper
* feat(backoffice): add API contract for hackathon users
* feat(backoffice): little adjustment in hackathon users management UI and API contract
