DOCSP-42885: Update Quick Start to use public classes

Author: mcmorisi

source/includes/code-examples/quick-reference.cs

@@ -164,7 +164,7 @@ void SkipExample()
 }
 
 // start-db-context
-internal class PlanetDbContext : DbContext
+public class PlanetDbContext : DbContext
 {
     public DbSet<Planet> Planets { get; init; }
 
@@ -185,7 +185,7 @@ protected override void OnModelCreating(ModelBuilder modelBuilder)
     }
 }
 // end-db-context
-internal class Planet
+public class Planet
 {
     public ObjectId _id { get; set; }
     public string name { get; set; }

source/includes/fundamentals/code-examples/configure/ConfigureEFProvider.cs

@@ -15,14 +15,14 @@
 db.Customers.Add(new Customer() { name = "John Doe", Order = "1 Green Tea" });
 db.SaveChanges();
 
-internal class Customer
+public class Customer
 {
     public ObjectId Id { get; set; }
     public String Name { get; set; }
     public String Order { get; set; }
 }
 
-internal class MyDbContext : DbContext
+public class MyDbContext : DbContext
 {
     public DbSet<Customer> Customers { get; init; }
 

source/includes/quick-start/Program.cs

@@ -18,7 +18,7 @@
 var movie = db.Movies.First(m => m.Title == "Back to the Future");
 Console.WriteLine(movie.Plot);
 
-internal class MflixDbContext : DbContext
+public class MflixDbContext : DbContext
 {
     public DbSet<Movie> Movies { get; init; }
 
@@ -40,7 +40,7 @@ protected override void OnModelCreating(ModelBuilder modelBuilder)
     }
 }
 
-internal class Movie
+public class Movie
 {
     [BsonId]
     public ObjectId _id { get; set; }