Use DTOs to return API requests instead of Database Schema types.

Make use of IHttpStatusCodeResults

API/Controllers/DTOs/Link.cs

@@ -0,0 +1,25 @@
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+
+namespace API.Controllers.DTOs;
+
+
+/// <summary>
+/// <see cref="API.Schema.MangaContext.Link"/> DTO
+/// </summary>
+public sealed record Link(string Key, string Provider, string Url) : Identifiable(Key)
+{
+    /// <summary>
+    /// Name of the Provider
+    /// </summary>
+    [Required]
+    [Description("Name of the Provider")]
+    public string Provider { get; init; } = Provider;
+    
+    /// <summary>
+    /// Url
+    /// </summary>
+    [Required]
+    [Description("Url")]
+    public string Url { get; init; } = Url;
+}