restructured filetree

Data/ApplicationDbContext.cs

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+using Microsoft.AspNetCore.Identity.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore;
+using Example.Models;
+
+namespace Example.Data;
+
+public class ApplicationDbContext : IdentityDbContext
+{
+    public ApplicationDbContext(DbContextOptions<ApplicationDbContext> options)
+        : base(options)
+    {
+    }
+
+    public DbSet<Author> Authors => Set<Author>();
+    public DbSet<Book> Books => Set<Book>();
+    public DbSet<Review> Reviews => Set<Review>();
+}

Data/ApplicationDbInitializer.cs

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+using Example.Models;
+
+namespace Example.Data
+{
+    public static class ApplicationDbInitializer
+    {
+        public static void Initialize(ApplicationDbContext db)
+        {
+            // Delete the database before we initialize it. This is common to do during development.
+            db.Database.EnsureDeleted();
+
+            // Recreate the database and tables according to our models
+            db.Database.EnsureCreated();
+
+            // Add test data to simplify debugging and testing
+
+            var authors = new[]
+            {
+                new Author("Author 1", "Author 1", new DateTime(1981, 1, 1)),
+                new Author("Author 2", "Author 2", new DateTime(1982, 2, 2)),
+                new Author("Author 3", "Author 3", new DateTime(1983, 3, 3))
+            };
+            
+            db.Authors.AddRange(authors);
+
+            // Finally save the added relationships
+            db.SaveChanges();
+        }
+    }
+}