Added various

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

SeniorAssistant/Models/Notification.cs

@@ -0,0 +1,21 @@
+using LinqToDB.Mapping;
+using System;
+
+namespace SeniorAssistant.Models
+{
+    public class Notification : IHasTime
+    {
+        [Column(IsPrimaryKey = true, CanBeNull = false, IsIdentity = true)]
+        public int Id { get; set; }
+
+        [NotNull]
+        public string Username { get; set; }
+
+        [NotNull]
+        public DateTime Time { get; set; }
+        
+        public bool Seen { get; set; }
+        
+        public string Message { get; set; }
+    }
+}