Initial commit, basic proxying working

Myriad/Serialization/JsonSerializerOptionsExtensions.cs

@@ -0,0 +1,20 @@
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace Myriad.Serialization
+{
+    public static class JsonSerializerOptionsExtensions
+    {
+        public static JsonSerializerOptions ConfigureForNewcord(this JsonSerializerOptions opts)
+        {
+            opts.PropertyNamingPolicy = new JsonSnakeCaseNamingPolicy();
+            opts.NumberHandling = JsonNumberHandling.AllowReadingFromString;
+            opts.IncludeFields = true;
+
+            opts.Converters.Add(new PermissionSetJsonConverter());
+            opts.Converters.Add(new ShardInfoJsonConverter());
+
+            return opts;
+        }
+    }
+}