More documentation - almost all Models done

https://github.com/oqtane/oqtane.framework/issues/1382
Should not contain any code changes, just docs

Oqtane.Shared/Models/JobLog.cs

@@ -1,16 +1,48 @@
-using System;
+using System;
 
 namespace Oqtane.Models
 {
+    /// <summary>
+    /// Log / Journal of <see cref="Job"/>s executed.
+    /// </summary>
     public class JobLog
     {
+        /// <summary>
+        /// Internal ID
+        /// </summary>
         public int JobLogId { get; set; }
+
+        /// <summary>
+        /// Reference to the <see cref="Job"/> which was run
+        /// </summary>
         public int JobId { get; set; }
+
+        /// <summary>
+        /// Timestamp when the <see cref="Job"/> started. 
+        /// </summary>
         public DateTime StartDate { get; set; }
+
+        /// <summary>
+        /// Timestamp when the <see cref="Job"/> ended. 
+        /// </summary>
         public DateTime? FinishDate { get; set; }
+
+        /// <summary>
+        /// Success information. 
+        /// </summary>
         public bool? Succeeded { get; set; }
+
+        /// <summary>
+        /// Additional protocol information that was left after the <see cref="Job"/> ran.
+        /// </summary>
         public string Notes { get; set; }
 
+        /// <summary>
+        /// Reference to the Job. 
+        /// </summary>
+        /// <remarks>
+        /// It's not clear if this is always populated. 
+        /// </remarks>
         public Job Job { get; set; }
     }
 }