[Minimal API docs] Adding an example of how to resolve dependencies just like in configure method (#23998)

Co-authored-by: Kirk Larkin <6025110+serpent5@users.noreply.github.com>

aspnetcore/fundamentals/minimal-apis.md

@@ -147,6 +147,14 @@ The following code writes a message to the log on application startup:
 
 For more information, see <xref:fundamentals/logging/index?view=aspnetcore-6.0>
 
+### Access the Dependency Injection (DI) container
+
+The following code shows how to get services from the DI container during application startup:
+
+[!code-csharp[](minimal-apis/samples/WebMinAPIs/Program.cs?name=snippet_dependencies)]
+
+For more information, see <xref:fundamentals/dependency-injection?view=aspnetcore-6.0>.
+
 ## WebApplicationBuilder
 
 This section contains sample code using <xref:Microsoft.AspNetCore.Builder.WebApplicationBuilder>.

aspnetcore/fundamentals/minimal-apis/samples/WebMinAPIs/Program.cs

@@ -1,4 +1,4 @@
-#define Default // Default CREATE P1 PM PE I1 I0 IP CERT CERT2 CERT3 RE CONFIG LOG REB 
+#define Default // Default CREATE P1 PM PE I1 I0 IP CERT CERT2 CERT3 RE CONFIG LOG #i REB 
 // CONFIGB LOGB IWHB DEP R1 LE LF IM SM NR NR2 RP WILD CON OV EPB OP1 OP2 OP3 OP4
 // CB BA CJSON MULTI STREAM XTN AUTH1 AUTH2 AUTH3 AUTH4 CORS CORS2 SWAG SWAG2 
 // FIL2 IHB CHNGR ADDMID
@@ -207,6 +207,27 @@ app.MapGet("/", () => "Hello World");
 
 app.Run();
 #endregion
+#elif DEPS
+#region snippet_dependencies
+
+var builder = WebApplication.CreateBuilder(args);
+
+builder.Services.AddControllers();
+builder.Services.AddScoped<SampleService>();
+
+var app = builder.Build();
+
+app.MapControllers();
+
+using (var scope = app.Services.CreateScope())
+{
+    var sampleService = scope.ServiceProvider.GetRequiredService<SampleService>();
+    sampleService.DoSomething();
+}
+
+app.Run();
+#endregion
+class SampleService { public void DoSomething() { } }
 #elif REB  // Read Env Builder
 #region snippet_reb
 var builder = WebApplication.CreateBuilder(args);