Add own Steamid

CS2GSIJsonParser.cs

@@ -10,6 +10,7 @@ internal static class CS2GSIJsonParser
         JObject jsonObject = JObject.Parse(jsonString);
         return new CS2GameState()
         {
+            ProviderSteamId = jsonObject.SelectToken("provider.steamid")!.Value<string>()!,
             Timestamp = jsonObject.SelectToken("provider.timestamp")!.Value<int>(),
             Map = ParseMapFromJObject(jsonObject),
             Player = ParsePlayerFromJObject(jsonObject)

GameState/CS2GameState.cs

@@ -2,6 +2,7 @@
 
 public struct CS2GameState
 {
+    public string ProviderSteamId;
     public int Timestamp;
     public Map? Map;
     public Player? Player;
@@ -9,7 +10,7 @@ public struct CS2GameState
     public override string ToString()
     {
         return $"{GetType()}\n" +
-               $"\tTime: {Timestamp}\n" +
+               $"\tTime: {Timestamp}\tSteamId: {ProviderSteamId}\n" +
                $"\t{Map}\n" +
                $"\t{Player}\n";
     }