Added part of the encounter triggering system

Packages/com.jovian.encounter-system/Runtime/IEncounterKind.cs

@@ -3,11 +3,10 @@ using System;
 namespace Jovian.EncounterSystem {
     /// <summary>Polymorphic payload on an <see cref="IEncounter"/>. Add a new kind by implementing
     /// this interface; the SubclassSelector drawer surfaces it automatically.</summary>
-    public interface IEncounterKind {
-    }
+    public interface IEncounterKind { }
 
     [Serializable]
-    public partial class QuestKind : IEncounterKind {
+    public class QuestKind : IEncounterKind {
         public EncounterLink nextEncounter;
     }
 }