Updated `__init__.py` to import specific cog classes
and added asynchronous `setup` functions for each.
Modified `info.json` to improve the formatting of the
"author" field for better readability.
Introduces a Discord cog to manage staff and PM hiring through interactive tickets, forms, and buttons. Includes modals for Staff, PM, and HPM applications, as well as commands for posting hiring messages and configuring categories and channels.
