Write (failing) unit tests for comming development

API/Services/PersonService.cs

@@ -0,0 +1,25 @@
+using System.Threading.Tasks;
+using API.Data;
+using API.Entities.Person;
+
+namespace API.Services;
+
+public interface IPersonService
+{
+    /// <summary>
+    /// Adds src as an alias to dst, this is a destructive operation
+    /// </summary>
+    /// <param name="dst">Remaining person</param>
+    /// <param name="src">Merged person</param>
+    /// <returns></returns>
+    Task MergePeopleAsync(Person dst, Person src);
+}
+
+public class PersonService(IUnitOfWork unitOfWork): IPersonService
+{
+
+    public async Task MergePeopleAsync(Person dst, Person src)
+    {
+        throw new System.NotImplementedException();
+    }
+}