docs: complete XML documentation for all projects with inheritdoc tags

Co-authored-by: andrew-welker <1765622+andrew-welker@users.noreply.github.com>

src/PepperDash.Essentials.MobileControl.Messengers/MobileControlSimpleContent.cs

@@ -2,9 +2,15 @@
 
 namespace PepperDash.Essentials.AppServer
 {
+    /// <summary>
+    /// Represents a MobileControlSimpleContent
+    /// </summary>
     public class MobileControlSimpleContent<T>
     {
         [JsonProperty("value", NullValueHandling = NullValueHandling.Ignore)]
+        /// <summary>
+        /// Gets or sets the Value
+        /// </summary>
         public T Value { get; set; }
     }
 }