Added framework xml documentation for all "exploration" events.

ObservatoryFramework/Files/Journal/Exploration/DiscoveryScan.cs

@@ -1,8 +1,17 @@
 namespace Observatory.Framework.Files.Journal
 {
+    /// <summary>
+    /// Event generated when using the discovery scanner (honk) to initially scan system. No longer used in live game client, will be found only in historical data.
+    /// </summary>
     public class DiscoveryScan : JournalBase
     {
+        /// <summary>
+        /// Unique ID of system.
+        /// </summary>
         public ulong SystemAddress { get; init; }
+        /// <summary>
+        /// Number of bodies in system.
+        /// </summary>
         public int Bodies { get; init; }
     }
 }