[FA-55] Finished aside from deactivation/integration events

FictionArchive.Service.UserService/Models/DTOs/InvitedUserDto.cs

@@ -0,0 +1,7 @@
+namespace FictionArchive.Service.UserService.Models.DTOs;
+
+public class InvitedUserDto
+{
+    public required string Username { get; init; }
+    public required string Email { get; init; }
+}

FictionArchive.Service.UserService/Models/DTOs/UserDto.cs

@@ -13,4 +13,5 @@ public class UserDto
     public bool Disabled { get; init; }
     public int AvailableInvites { get; init; }
     public Guid? InviterId { get; init; }
+    public List<InvitedUserDto>? InvitedUsers { get; init; }
 }

FictionArchive.Service.UserService/Models/Database/User.cs

@@ -15,4 +15,5 @@ public class User : BaseEntity<Guid>
     // Navigation properties
     public Guid? InviterId { get; set; }
     public User? Inviter { get; set; }
+    public ICollection<User> InvitedUsers { get; set; } = new List<User>();
 }