Merge pull request #825 from eduardosmaniotto/feature/configurable-npc-buffs

feature: configurable npc buffs
(cherry picked from commit 6a061fcad756e644dadf3721e84e3cce2a25bceb)

src/DataModel/Configuration/MonsterDefinition.cs

@@ -328,6 +328,12 @@ public partial class MonsterDefinition
     [MemberOfAggregate]
     public virtual ICollection<QuestDefinition> Quests { get; protected set; } = null!;
 
+    /// <summary>
+    /// Gets or sets the buffs which can be granted by this npc.
+    /// </summary>
+    [MemberOfAggregate]
+    public virtual ICollection<Buff> Buffs { get; protected set; } = null!;
+
     /// <summary>
     /// Attribute default accessor.
     /// </summary>