Team application configuration restructure

Currently the "apply as a team" functionality is controlled by enabling or disabling the "Do you want to apply as a team?" question under the registration form settings.

Instead, this should be configurable in a section under the Configuration tab in the event admin panel. The following should be configurable:

- What is the maximum team size? (defaults to 5)
- Can participants apply as a team? (yes/no)

If the answer to the second question is yes, show a Team section in the registration form which asks the user if:

a) They are applying as a team, and b) If they want to also apply individually should their team not get accepted

Comienza localizando la pestaña Configuration del panel de administración del evento, la configuración del formulario de registro y el comportamiento existente de la pregunta "apply as a team". Se considera completado cuando la configuración admite un tamaño máximo de equipo predeterminado de 5 y un ajuste de solicitud de equipo de sí/no, y cuando, al activarlo, se muestran la sección Team especificada y la opción de solicitud individual.

Escrito por el modelo de indexación a partir del texto del issue.