Adding group profile to the group model

LightlessSyncServer/LightlessSyncShared/Models/Group.cs

@@ -11,6 +11,7 @@ public class Group
     public User Owner { get; set; }
     [MaxLength(50)]
     public string Alias { get; set; }
+    public GroupProfile? Profile { get; set; }
     public bool InvitesEnabled { get; set; }
     public string HashedPassword { get; set; }
     public bool PreferDisableSounds { get; set; }

LightlessSyncServer/LightlessSyncShared/Models/GroupProfile.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -7,6 +8,8 @@ using System.Threading.Tasks;
 namespace LightlessSyncShared.Models;
 public class GroupProfile
 {
+    [Key]
+    [MaxLength(20)]
     public string GroupGID { get; set; }
     public Group Group { get; set; }
     public string Description { get; set; }