This commit introduces the `DISCORD_GUILD_ID` environment variable to the configuration files, allowing for better integration with Discord for role synchronization. The event announcement functionality has been updated to include an option for the `@everyone` mention, which can be toggled during event creation. The backend logic has been modified to handle this new option, and corresponding updates have been made to the frontend to allow users to control the mention behavior. Additionally, tests have been added to ensure the correct functionality of these features.
This commit introduces a new Discord event announcer to the backend, allowing for event announcements via Discord. It includes the addition of new environment variables for Discord configuration in `.env.example` and `compose.yaml`. The `main.go` file has been updated to initialize the announcer, and a new `discord` package has been created, containing the announcer logic and tests. Additionally, the service layer has been modified to support bracket draft management, enhancing the overall event workflow. Integration tests have been updated to ensure proper functionality of the new features.
