Document all undocumented methods and properties

PkmnLib.Dynamic/Models/BattleChoiceQueue.cs

@@ -132,6 +132,9 @@ public class BattleChoiceQueue : IDeepCloneable
     public ITurnChoice? FirstOrDefault(Func<ITurnChoice, bool> predicate) =>
         _choices.Skip(_currentIndex).WhereNotNull().FirstOrDefault(predicate);
 
+    /// <summary>
+    /// This returns all upcoming choices that match the predicate.
+    /// </summary>
     public IEnumerable<ITurnChoice> Where(Func<ITurnChoice, bool> predicate) =>
         _choices.Skip(_currentIndex).WhereNotNull().Where(predicate);