Added Guid serialization support

src/Discord.Net.Serialization/Json/Converters/Primitives.Bool.cs → src/Discord.Net.Serialization/Json/Converters/Primitives.Other.cs

@@ -1,4 +1,5 @@
-using System.Text.Json;
+using System;
+using System.Text.Json;
 
 namespace Discord.Serialization.Json.Converters
 {
@@ -18,4 +19,18 @@ namespace Discord.Serialization.Json.Converters
         public void Write(JsonWriter writer, bool value)
             => writer.WriteValue(value);
     }
+
+    internal class GuidPropertyConverter : IJsonPropertyConverter<Guid>
+    {
+        public Guid Read(JsonReader reader, bool read = true)
+        {
+            if (read)
+                reader.Read();
+            if (reader.ValueType != JsonValueType.String)
+                throw new SerializationException("Bad input, expected String");
+            return Guid.Parse(reader.ParseString());
+        }
+        public void Write(JsonWriter writer, Guid value)
+            => writer.WriteValue(value);
+    }
 }

src/Discord.Net.Serialization/Json/JsonFormat.cs

@@ -11,8 +11,6 @@ namespace Discord.Serialization.Json
     {
         public JsonFormat()
         {
-            AddConverter<bool, Converters.BooleanPropertyConverter>();
-
             AddConverter<sbyte, Converters.Int8PropertyConverter>();
             AddConverter<short, Converters.Int16PropertyConverter>();
             AddConverter<int, Converters.Int32PropertyConverter>();
@@ -33,6 +31,9 @@ namespace Discord.Serialization.Json
             AddConverter<DateTime, Converters.DateTimePropertyConverter>();
             AddConverter<DateTimeOffset, Converters.DateTimeOffsetPropertyConverter>();
 
+            AddConverter<bool, Converters.BooleanPropertyConverter>();
+            AddConverter<Guid, Converters.GuidPropertyConverter>();
+
             AddGenericConverter(typeof(List<>), typeof(Converters.ListPropertyConverter<>));
             AddGenericConverter(typeof(Nullable<>), typeof(Converters.NullablePropertyConverter<>));