[FA-4] Adds an event bus infrastructure, a RabbitMQ implementation and rewires existing mutations on NovelService to utilize it.

FictionArchive.Service.Shared/Models/BaseEntity.cs

@@ -5,7 +5,7 @@ namespace FictionArchive.Service.Shared.Models;
 
 public abstract class BaseEntity<TKey> : IAuditable
 {
-    public uint Id { get; set; }
+    public TKey Id { get; set; }
     public Instant CreatedTime { get; set; }
     public Instant LastUpdatedTime { get; set; }
 }