Update beta randomizer with extra_keys setting

.gitmodules

@@ -9,7 +9,7 @@
 [submodule "BetaRandomizer"]
 	path = BetaRandomizer
 	url = https://git.gwaa.kiwi/alttpr-gwaa-kiwi/alttpr-python
-	branch = beta
+	branch = beta_2
 [submodule "PikitRandomizer"]
 	path = PikitRandomizer
 	url = https://git.gwaa.kiwi/alttpr-gwaa-kiwi/alttpr-python.git

ALttPRandomizer/Model/SeedSettings.cs

@@ -1,5 +1,4 @@
 namespace ALttPRandomizer.Model {
-    using ALttPRandomizer.Randomizers;
     using ALttPRandomizer.Settings;
     using System.Text.Json.Serialization;
 
@@ -159,6 +158,10 @@
         [IgnoreSetting(Apr2025)]
         public TrapDoorMode TrapDoorMode { get; set; } = TrapDoorMode.Some;
 
+        [SettingName("extra_keys")]
+        [IgnoreSetting(Apr2025, Base)]
+        public ExtraKeysMode ExtraKeys { get; set; } = ExtraKeysMode.None;
+
         [NoSettingName]
         [IgnoreSetting(Apr2025)]
         public FollowerShuffle FollowerShuffle { get; set; } = FollowerShuffle.Vanilla;
@@ -475,6 +478,14 @@
         [SettingName("oneway")] RemoveAll,
     }
 
+    public enum ExtraKeysMode {
+        [SettingName("0")] None,
+        [SettingName("1")] Extra1,
+        [SettingName("20")] Percent20,
+        [SettingName("30")] Percent30,
+        [SettingName("40")] Percent40,
+    }
+
     public enum FluteShuffle {
         Vanilla,
         Random,