Function setup_backup_system 

pub fn setup_backup_system(
    config: &Config,
    rollback: &RollbackManager,
) -> Result<(), Box<dyn Error>>

Sets up the backup system based on the provided configuration.

This function orchestrates the entire backup setup process, including:

• Installing necessary backup tools
• Configuring the backup schedule
• Setting up backup locations

It creates a snapshot before starting the setup process for potential rollback.

Arguments

• config - A reference to the Config struct containing backup configuration
• rollback - A reference to the RollbackManager for creating snapshots

Returns

Returns Ok(()) if the backup system is set up successfully, or an error if setup fails.