Implement LobbyServer

LobbyServer/ScoreEntry.cs

@@ -0,0 +1,26 @@
+namespace LobbyServer
+{
+    public class ScoreEntry
+    {
+        public string Pseudo { get; }
+        public int Score { get; }
+
+        public ScoreEntry(string pseudo, int score)
+        {
+            Pseudo = pseudo;
+            Score = score;
+        }
+
+        public ScoreEntry(string serialized)
+        {
+            var split = serialized.Split(';');
+            Pseudo = split[0];
+            Score = int.Parse(split[1]);
+        }
+
+        public override string ToString()
+        {
+            return $"{Pseudo};{Score}";
+        }
+    }
+}