Added framework xml documentation for all "exploration" events.

ObservatoryFramework/Files/Journal/Exploration/FSSAllBodiesFound.cs

@@ -1,9 +1,21 @@
 namespace Observatory.Framework.Files.Journal
 {
+    /// <summary>
+    /// Event generated when all bodies within a system have been scanned.
+    /// </summary>
     public class FSSAllBodiesFound : JournalBase
     {
+        /// <summary>
+        /// Name of the system.
+        /// </summary>
         public string SystemName { get; init; }
+        /// <summary>
+        /// Unique ID of the system.
+        /// </summary>
         public ulong SystemAddress { get; init; }
+        /// <summary>
+        /// Count of all scanned bodies in system.
+        /// </summary>
         public int Count { get; init; }
     }
 }