Besciamello (#1)

* Fixed login & auth
* Added dynamic breadcrumb
* Added DOC
* Added Patient
* Added Notifications
* Added Messages
* Refactoring api
* Re-writed menu
* Removed unused things
* Created README

SeniorAssistant/Models/Message.cs

@@ -0,0 +1,26 @@
+using LinqToDB.Mapping;
+using System;
+
+namespace SeniorAssistant.Models
+{
+    public class Message : IHasTime
+    {
+        [Column(IsPrimaryKey = true, CanBeNull = false, IsIdentity = true)]
+        public int Id { get; set; }
+
+        [NotNull]
+        public DateTime Time { get; set; }
+        
+        [NotNull]
+        public string Username { get; set; }
+
+        [NotNull]
+        public string Reciver { get; set; }
+
+        [NotNull]
+        public string Body { get; set; }
+
+        public bool Seen { get; set; }
+        
+    }
+}