Added various

- Added DOC
- Added Patient
- Added Notifications
- Added Messages
- Various Refactoring

SeniorAssistant/Models/Users/Patient.cs

@@ -0,0 +1,18 @@
+using LinqToDB.Mapping;
+
+namespace SeniorAssistant.Models.Users
+{
+    public class Patient : IHasUsername
+    {
+        [Column(IsPrimaryKey = true, CanBeNull = false)]
+        public string Username { get; set; }
+
+        [Association(ThisKey = "Username", OtherKey = nameof(User.Username), CanBeNull = false)]
+        public User UserData { get; set; }
+
+        [NotNull]
+        public string Doctor { get; set; }
+
+        public string Notes { get; set; }
+    }
+}