People Aliases and Merging (#3795)

Co-authored-by: Joseph Milazzo <josephmajora@gmail.com>

API/DTOs/Person/PersonMergeDto.cs

@@ -0,0 +1,17 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace API.DTOs;
+
+public sealed record PersonMergeDto
+{
+    /// <summary>
+    /// The id of the person being merged into
+    /// </summary>
+    [Required]
+    public int DestId { get; init; }
+    /// <summary>
+    /// The id of the person being merged. This person will be removed, and become an alias of <see cref="DestId"/>
+    /// </summary>
+    [Required]
+    public int SrcId { get; init; }
+}