Document most models

Oqtane.Shared/Models/Language.cs

@@ -2,24 +2,52 @@ using System;
 
 namespace Oqtane.Models
 {
+    /// <summary>
+    /// Language Information for <see cref="Site"/>s
+    /// TODO: todoc - unclear how this is different from <see cref="Culture"/>
+    /// </summary>
     public class Language : IAuditable
     {
+        /// <summary>
+        /// Internal ID
+        /// </summary>
         public int LanguageId { get; set; }
 
+        /// <summary>
+        /// Reference to a <see cref="Site"/>
+        /// TODO: todoc - unclear why it's nullable
+        /// </summary>
         public int? SiteId { get; set; }
 
+        /// <summary>
+        /// Language Name
+        /// </summary>
         public string Name { get; set; }
 
+        /// <summary>
+        /// Language / Culture code, like 'en-US'
+        /// </summary>
         public string Code { get; set; }
 
+        /// <summary>
+        /// Is this the default language on a <see cref="Site"/>
+        /// </summary>
         public bool IsDefault { get; set; }
 
+        #region IAuditable Properties
+
+        /// <inheritdoc/>
         public string CreatedBy { get; set; }
 
+        /// <inheritdoc/>
         public DateTime CreatedOn { get; set; }
 
+        /// <inheritdoc/>
         public string ModifiedBy { get; set; }
 
+        /// <inheritdoc/>
         public DateTime ModifiedOn { get; set; }
+        
+        #endregion
     }
 }