Add a TimeSlot object, refactor

Core/Calculation/TeamScheduleTimeSlot.cs

@@ -0,0 +1,16 @@
+using Core.Entities;
+
+namespace Core.Calculation;
+
+public class TeamScheduleTimeSlot
+{
+    public string Name { get; set; }
+    public Team[] Teams;
+    public Student[] UnscheduledStudents;
+    public IEnumerable<Tuple<Student, IEnumerable<Team>>> StudentOverlaps;
+
+    public bool StudentHasOverlaps(Student student)
+    {
+        return StudentOverlaps.FirstOrDefault(o => o.Item1.Equals(student)) != null;
+    }
+}