Add project files.

LeagueAPI/Models/ReadyCheck/LolMatchmakingMatchmakingReadyCheckState.cs

@@ -0,0 +1,14 @@
+using System.Text.Json.Serialization;
+
+namespace LeagueAPI.Models.ReadyCheck;
+
+[JsonConverter(typeof(JsonStringEnumConverter))]
+public enum LolMatchmakingMatchmakingReadyCheckState
+{
+    Error,
+    PartyNotReady,
+    StrangerNotReady,
+    EveryoneReady,
+    InProgress,
+    Invalid,
+}