Update README.md

README.md

@@ -57,6 +57,7 @@ By default, the plugin will attempt to activate all free non-playtest packages.
   "RequireAllTags": false,
   "RequireAllCategories": false,
   "ImportStoreFilters": false,
+  "WishlistOnly": false,
   "IgnoreFreeWeekends": false,
   "NoCostOnly": false,
   "PlaytestMode": 0,
@@ -351,6 +352,12 @@ All filter options are explained below:
 
 ---
 
+#### WishlistOnly
+
+`bool` type with default value of `false`.  If set to `true`, packages must contain an app your account has wishlisted or followed on the Steam storefront or they will not be added to your account.
+
+---
+
 #### IgnoreFreeWeekends
 
 `bool` type with default value of `false`.  Free weekend packages will be ignored if set to `true`.