Rewrite the MongoDB integration article. (#2178)

* Rewrite the MongoDB integration article. Fixes #2177

* Fix typo

* Fix xref and links

* Add Atlas

* Address peer feedback

docs/database/includes/postgresql-app-host.md

@@ -136,7 +136,7 @@ To add an init bind mount to the PostgreSQL server resource, call the <xref:Aspi
 var builder = DistributedApplication.CreateBuilder(args);
 
 var postgres = builder.AddPostgres("postgres")
-                      .WithInitBindMount(source: @"C:\PostgreSQL\Init");
+                      .WithInitBindMount(@"C:\PostgreSQL\Init");
 
 var postgresdb = postgres.AddDatabase("postgresdb");
 
@@ -146,7 +146,7 @@ var exampleProject = builder.AddProject<Projects.ExampleProject>()
 // After adding all resources, run the app...
 ```
 
-The init bind mount relies on the host machine's filesystem to initialize the PostgreSQL server database with the containers _init_ folder. This folder is used for initialization, running any executable shell scripts or _.sql_ command files after the _postgres-data_ folder is created. The init bind mount is mounted at the `C:\PostgreSQL\Data` on Windows (or `/PostgreSQL/Data` on Unix) path on the host machine in the PostgreSQL server container.
+The init bind mount relies on the host machine's filesystem to initialize the PostgreSQL server database with the containers _init_ folder. This folder is used for initialization, running any executable shell scripts or _.sql_ command files after the _postgres-data_ folder is created. The init bind mount is mounted at the `C:\PostgreSQL\Init` on Windows (or `/PostgreSQL/Init` on Unix) path on the host machine in the PostgreSQL server container.
 
 ### Add PostgreSQL server resource with parameters
 

docs/database/includes/sql-app-host.md

@@ -23,7 +23,7 @@ For more information, see [dotnet add package](/dotnet/core/tools/dotnet-add-pac
 
 ### Add SQL Server resource and database resource
 
-In your app host project, call <xref:Aspire.Hosting.SqlServerBuilderExtensions.AddSqlServer*> to add and return a SQL Server resource builder. Chain a call to the returned resource build to <xref:Aspire.Hosting.SqlServerBuilderExtensions.AddDatabase*>, to add SQL Server database resource.
+In your app host project, call <xref:Aspire.Hosting.SqlServerBuilderExtensions.AddSqlServer*> to add and return a SQL Server resource builder. Chain a call to the returned resource builder to <xref:Aspire.Hosting.SqlServerBuilderExtensions.AddDatabase*>, to add SQL Server database resource.
 
 ```csharp
 var builder = DistributedApplication.CreateBuilder(args);
@@ -34,7 +34,8 @@ var sql = builder.AddSqlServer("sql")
 var db = sql.AddDatabase("database");
 
 builder.AddProject<Projects.ExampleProject>()
-       .WithReference(db);
+       .WithReference(db)
+       .WaitFor(db);
 
 // After adding all resources, run the app...
 ```
@@ -72,7 +73,8 @@ var sql = builder.AddSqlServer("sql")
 var db = sql.AddDatabase("database");
 
 builder.AddProject<Projects.ExampleProject>()
-       .WithReference(db);
+       .WithReference(db)
+       .WaitFor(db);
 
 // After adding all resources, run the app...
 ```
@@ -95,7 +97,8 @@ var sql = builder.AddSqlServer("sql")
 var db = sql.AddDatabase("database");
 
 builder.AddProject<Projects.ExampleProject>()
-       .WithReference(db);
+       .WithReference(db)
+       .WaitFor(db);
 
 // After adding all resources, run the app...
 ```
@@ -117,7 +120,8 @@ var sql = builder.AddSqlServer("sql", password);
 var db = sql.AddDatabase("database");
 
 builder.AddProject<Projects.ExampleProject>()
-       .WithReference(db);
+       .WithReference(db)
+       .WaitFor(db);
 
 // After adding all resources, run the app...
 ```