adding completions

Server/Repositories/SpaceRaceDbContext.cs

@@ -1,4 +1,5 @@
 using Microsoft.EntityFrameworkCore;
+using System.ComponentModel.DataAnnotations;
 
 namespace Server;
 
@@ -7,10 +8,12 @@ public class SpaceRaceDbContext : DbContext {
     public SpaceRaceDbContext(DbContextOptions<SpaceRaceDbContext> options) : base(options) {}
 }
 
+[Index(nameof(UserId))]
+[Index(nameof(Map))]
 public class Completion {
     public DateTimeOffset Date { get; set; }
     public Guid Id      { get; set; }
     public Guid UserId  { get; set; }
-    public string Map   { get; set; }
+    [Required] public string Map   { get; set; }
     public double Time  { get; set; }
 }