Slight changes to the entity, more UI work

API/Entities/ReadingProfile/LibraryReadingProfile.cs

@@ -0,0 +1,20 @@
+using Microsoft.EntityFrameworkCore;
+
+namespace API.Entities;
+
+[Index(nameof(LibraryId), nameof(AppUserId), IsUnique = true)]
+public class LibraryReadingProfile
+{
+
+    public int Id { get; set; }
+
+    public int AppUserId { get; set; }
+    public AppUser AppUser { get; set; }
+
+    public int LibraryId { get; set; }
+    public Library Library { get; set; }
+
+    public int ReadingProfileId { get; set; }
+    public AppUserReadingProfile ReadingProfile { get; set; }
+
+}