server init

Server/Models/Completion.cs

@@ -0,0 +1,9 @@
+namespace Server.Models;
+
+public class CompletionDTO {
+    public DateTimeOffset Date { get; set; }
+    public Guid Id      { get; set; }
+    public Guid UserId  { get; set; }
+    public string Map   { get; set; }
+    public double Time  { get; set; }
+}