Initialize repository

Added basic info to get in game for like...August 2016 ;-;
It's not much but it's a start

RecRoomArchive.Models/API/Config/GameConfig.cs

@@ -0,0 +1,10 @@
+using System.Text.Json.Serialization;
+
+namespace RecRoomArchive.Models.API.Config
+{
+    public class GameConfig
+    {
+        [JsonPropertyName(name: "Key")] public required string Key { get; set; }
+        [JsonPropertyName(name: "Value")] public required string Value { get; set; }
+    }
+}