Initial commit, basic proxying working

Myriad/Gateway/Events/ReadyEvent.cs

@@ -0,0 +1,15 @@
+using System.Text.Json.Serialization;
+
+using Myriad.Types;
+
+namespace Myriad.Gateway
+{
+    public record ReadyEvent: IGatewayEvent
+    {
+        [JsonPropertyName("v")] public int Version { get; init; }
+        public User User { get; init; }
+        public string SessionId { get; init; }
+        public ShardInfo? Shard { get; init; }
+        public ApplicationPartial Application { get; init; }
+    }
+}