Add missing documentation for sln, buildprops, and buildtargets item templates

docs/core/tools/dotnet-new-sdk-templates.md

@@ -3,7 +3,7 @@ title: .NET default templates for dotnet new
 description: The information about dotnet new templates shipped with dotnet SDK.
 ms.custom: updateeachrelease
 no-loc: [Blazor, WebAssembly]
-ms.date: 02/21/2024
+ms.date: 08/29/2024
 ---
 # .NET default templates for dotnet new
 
@@ -21,6 +21,30 @@ Each template may have additional options available. To show the additional opti
 In case the template supports multiple languages, this command will show help for the template in the default language. By combining it with the `--language` option, you can see the help for other languages: `dotnet new console --help --language F#`.
 The templates that ship with the .NET SDK have the following additional options:
 
+## `buildprops`
+
+Creates a *Directory.Build.props* file for customizing MSBuild properties for an entire folder tree. For more information, see [Customize your build](/visualstudio/msbuild/customize-your-build).
+
+- **`--inherit`**
+
+  If specified, adds an Import element for the closest *Directory.Build.props* file in the parent directory hierarchy. By default, *Directory.Build.props* files don't inherit from parent directories, so enabling this option allows you to build up a hierarchy of customizations folder-by-folder.
+
+- **`--use-artifacts`**
+
+  If specified, adds a property to enable the artifacts output layout. This is a common pattern for projects that produce build artifacts, such as NuGet packages, that are placed in a common folder structure. For more information, see [Artifacts output layout](../sdk/artifacts-output.md).
+
+***
+
+## `buildtargets`
+
+Creates a *Directory.Build.targets* file for customizing MSBuild targets and tasks for an entire folder tree. For more information, see [Customize your build](/visualstudio/msbuild/customize-your-build).
+
+- **`--inherit`**
+
+  If specified, adds an Import element for the closest *Directory.Build.targets* file in the parent directory hierarchy. By default, *Directory.Build.targets* files don't inherit from parent directories, so enabling this option allows you to build up a hierarchy of customizations folder-by-folder.
+
+***
+
 ## `console`
 
 - **`-f|--framework <FRAMEWORK>`**
@@ -901,6 +925,15 @@ API Controller with or without read/write actions.
   The roll-forward policy to use when selecting an SDK version, either as a fallback when a specific SDK version is missing or as a directive to use a later version.
   For more information, see [global-json](global-json.md#rollforward).
 
+## `sln`
+
+Creates an empty solution file containing no projects.
+
+> [!NOTE]
+> In .NET SDK 9.0.200 and later, this template supports a `--format` option to choose between `sln` and `slnx` formats. Starting with .NET 10, the default format will be `slnx`.
+
+***
+
 ## `editorconfig`
 
 Creates an *.editorconfig* file for configuring code style preferences.

includes/templates.md

@@ -35,7 +35,9 @@ The following table shows the templates that come pre-installed with the .NET SD
 | NuGet Config                                 | `nugetconfig`                                                                       |              | Config                                | 1.0              |
 | Dotnet local tool manifest file              | `tool-manifest`                                                                     |              | Config                                | 3.0              |
 | Web Config                                   | `webconfig`                                                                         |              | Config                                | 1.0              |
-| Solution File                                | `sln`                                                                               |              | Solution                              | 1.0              |
+| Directory.Build.props file                   | [`buildprops`](../docs/core/tools/dotnet-new-sdk-templates.md#buildprops)          |              | Config                                | 8.0.100          |
+| Directory.Build.targets file                 | [`buildtargets`](../docs/core/tools/dotnet-new-sdk-templates.md#buildtargets)      |              | Config                                | 8.0.100          |
+| Solution File                                | [`sln`](../docs/core/tools/dotnet-new-sdk-templates.md#sln)                        |              | Solution                              | 1.0              |
 | Protocol Buffer File                         | [`proto`](../docs/core/tools/dotnet-new-sdk-templates.md#namespace)                 |              | Web/gRPC                              | 3.0              |
 | EditorConfig file                            | [`editorconfig`](../docs/core/tools/dotnet-new-sdk-templates.md#editorconfig)       |              | Config                                | 6.0              |