Flesh out domain and start student commands

BrightGlimmer.Domain/AssignedCourse.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Text;
+
+namespace BrightGlimmer.Domain
+{
+    [Table("AssignedCourses")]
+    public class AssignedCourse : Entity
+    {
+        public decimal Grade { get; set; }
+        public bool IsActive { get; set; }
+        public string Term { get; set; } 
+
+        public Student Student { get; set; }
+        public Course Course { get; set; }
+    }
+}