Add editorconfig and analyzers, format backend code

backend/Core/Musify.Domain/ValueObjects/AlbumPictures.cs

@@ -1,19 +1,18 @@
 using System.ComponentModel.DataAnnotations;
 
-namespace Musify.Domain.ValueObjects
+namespace Musify.Domain.ValueObjects;
+
+public class AlbumPictures
 {
-    public class AlbumPictures
-    {
-        [Required]
-        public required string OriginalName { get; set; }
+    [Required]
+    public required string OriginalName { get; set; }
 
-        [Required]
-        public required string SmallName { get; set; }
+    [Required]
+    public required string SmallName { get; set; }
 
-        [Required]
-        public required string MediumName { get; set; }
+    [Required]
+    public required string MediumName { get; set; }
 
-        [Required]
-        public required string LargeName { get; set; }
-    }
+    [Required]
+    public required string LargeName { get; set; }
 }