def simple_execute(chain, event)
      return nil if chain.empty?

      args = chain.split(' ')
      execute_command(args[0].to_sym, event, args[1..-1])
    end
def simple_execute(chain, event)
      return nil if chain.empty?

      args = chain.split(' ')
      execute_command(args[0].to_sym, event, args[1..-1])
    end
Executes a command in a simple manner, without command chains or permissions.
 @param chain [String] The command with its arguments separated by spaces.
 @param event [CommandEvent] The event to pass to the command.
 @return [String, nil] the command's result, if there is any.