Misc bunch of changes (#2815)

API/DTOs/Scrobbling/MalUserInfoDto.cs

@@ -0,0 +1,13 @@
+namespace API.DTOs.Scrobbling;
+
+/// <summary>
+/// Information about a User's MAL connection
+/// </summary>
+public class MalUserInfoDto
+{
+    public required string Username { get; set; }
+    /// <summary>
+    /// This is actually the Client Id
+    /// </summary>
+    public required string AccessToken { get; set; }
+}