add Checkpoint Update Sani

ReallifeGamemode.Server/Util/ThreadTimers.cs

@@ -14,6 +14,7 @@ namespace ReallifeGamemode.Server.Util
     private static Timer timer500 = new Timer(500); //0.5 seconds timer
     private static Timer timer1000 = new Timer(1000); //1 seconds timer
     private static Timer timer2500 = new Timer(2500); //2.5 seconds timer
+    private static Timer timer5000 = new Timer(5000); //5 seconds timer
     private static Timer timer10000 = new Timer(10000); // 10 second timer
     private static Timer timer60000 = new Timer(60000); //60 seconds timer
 
@@ -28,6 +29,9 @@ namespace ReallifeGamemode.Server.Util
       timer2500.Start();
       timer2500.Elapsed += Timer2500_Elapsed;
 
+      timer5000.Start();
+      timer5000.Elapsed += Timer5000_Elapsed;
+
       timer10000.Start();
       timer10000.Elapsed += Timer10000_Elapsed;
 
@@ -53,6 +57,15 @@ namespace ReallifeGamemode.Server.Util
       });
     }
 
+    private static void Timer5000_Elapsed(object sender, ElapsedEventArgs e)
+    {
+      NAPI.Task.Run(() =>
+      {
+        Medic.UpdateHealTaskCheckpoint();
+      });
+    }
+
+
     private static void Timer60000_Elapsed(object sender, ElapsedEventArgs e)
     {
       NAPI.Task.Run(() =>