Adding update endpoint for location, player, spawnable, and user

Models/DTOs/UpdateSpawnableRequest.cs

@@ -0,0 +1,11 @@
+using System.Collections.Generic;
+
+namespace GameAuthApi.Models;
+
+public class UpdateSpawnableRequest
+{
+    public string Name { get; set; }
+    public int SpawnRate { get; set; }
+    public string CollectAction { get; set; }
+    public List<CollectOutcome> CollectResults { get; set; } = [];
+}