Added command line documentation (#6160)

website/src/docs/docs.json

@@ -272,6 +272,10 @@
               {
                 "path": "batching",
                 "title": "Batching"
+              },
+              {
+                "path": "command-line",
+                "title": "Command Line"
               }
             ]
           },

website/src/docs/hotchocolate/v13/server/command-line.md

@@ -0,0 +1,38 @@
+---
+title: Command Line
+---
+
+# Overview
+The `HotChocolate.AspNetCore.CommandLine` package extends the `IHostBuilder` interface, offering a command-line interface for managing GraphQL schemas.
+This extension provides a seamless experience for developers, allowing them to export their schemas directly from the command line, which can be beneficial for CI/CD.
+
+# Setup the Command Line Interface
+
+Here's an example of using the `HotChocolate.AspNetCore.CommandLine` package with a minimal API and a simple setup:
+
+```csharp
+var builder = WebApplication.CreateBuilder(args);
+
+builder.Services.AddGraphQLServer().AddQueryType<Query>();
+
+var app = builder.Build();
+
+app.MapGraphQL();
+
+app.RunWithGraphQLCommandsAsync(args);
+```
+
+# Commands
+
+## Schema Export Command
+
+The `schema export` command exports the GraphQL schema. By default, the schema is printed to the console. However, you can specify an output file using the `--output` option.
+
+```shell
+dotnet run -- schema export --output schema.graphql
+```
+
+**Options**
+
+- `--output`: The path to the file where the schema should be exported. If no output path is specified, the schema will be printed to the console.
+- `--schema-name`: The name of the schema to be exported. If no schema name is specified, the default schema will be exported.