Add race mode, serilog

ALttPRandomizer/Model/SeedSettings.cs

@@ -4,6 +4,9 @@
     using System.Text.Json.Serialization;
 
     public class SeedSettings {
+        [NoSettingName]
+        public RaceMode Race { get; set; } = RaceMode.Normal;
+
         public Mode Mode { get; set; } = Mode.Open;
 
         [SettingName("swords")]
@@ -54,6 +57,11 @@
         public PrizeShuffle PrizeShuffle { get; set; } = PrizeShuffle.Vanilla;
     }
 
+    public enum RaceMode {
+        Normal,
+        [AdditionalSetting("--securerandom")] Race,
+    }
+
     public enum Mode {
         Open,
         Standard,