feat: implement core domain models, authentication service, and UI components for the attendance system

Asistencia/Models/AsistenciaAlumno.cs

@@ -0,0 +1,17 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace Asistencia.Models;
+
+public class AsistenciaAlumno
+{
+    public int IdDetalleContrato { get; set; }
+
+    public DateTime FechaAsistencia { get; set; }
+
+    [MaxLength(10)]
+    public string Hora { get; set; } = string.Empty;
+
+    public int IdTipoAsistencia { get; set; } = 3;
+
+    public DetalleContrato? DetalleContrato { get; set; }
+}