Adds mimic

PkmnLib.Dynamic/Models/LearnedMove.cs

@@ -42,6 +42,11 @@ public enum MoveLearnMethod
     /// The move is learned by using a move sketch.
     /// </summary>
     Sketch,
+
+    /// <summary>
+    /// The move is temporarily copied through Mimic.
+    /// </summary>
+    Mimic,
 }
 
 /// <summary>