Add Chile Holidays

[AndresReyesDev]

This Pull Request introduces support for Chilean holidays obtained from https://www.gob.cl/noticias/feriado-2024-chile-dias-festivos-irrenunciables/.

The following changes have been made:

Added Chilean Holiday Support:
The list of holidays is included in this Pull Request.

• New Year's Day (Año Nuevo) - 01-01
• Good Friday (Viernes Santo) - 03-29
• Holy Saturday (Sábado Santo) - 03-30
• Labor Day (Día del Trabajador) - 05-01
• Navy Day (Día de las Glorias Navales) - 05-21
• National Day of Indigenous Peoples (Día Nacional de los Pueblos Indígenas) - 06-20
• Saint Peter and Saint Paul (San Pedro y San Pablo) - 06-29
• Day of Our Lady of Mount Carmel (Día de la Virgen del Carmen) - 07-16
• Assumption of the Virgin Mary (Asunción de la Virgen) - 08-15
• National Independence Day (Independencia Nacional) - 09-18
• Day of the Glories of the Army (Día de las Glorias del Ejército) - 09-19
• Additional Holiday for National Holidays (Feriado añadido de Fiestas Patrias) - 09-20
• Encounter of Two Worlds (Encuentro de Dos Mundos) - 10-12
• Day of Evangelical Churches (Día de las Iglesias Evangélicas) - 10-31
• All Saints' Day (Día de Todos los Santos) - 11-01
• Immaculate Conception (Inmaculada Concepción) - 12-08
• Christmas Day (Navidad) - 12-25

Added Test: A test has been added to verify the calculation of Chilean holidays.

[Nielsvanpach]

PR looks good, thanks! If anyone else could verify the generated results, I'll merge the PR.