Split deploy-first-app into C# and TypeScript AppHost pages

src/frontend/config/sidebar/docs.topics.ts

@@ -329,6 +329,7 @@ export const docsTopics: StarlightSidebarTopicsUserConfig = {
         },
         {
           label: 'Deploy your first app',
+          collapsed: false,
           translations: {
             da: 'Udrul din første app',
             de: 'Bereitstellung Ihrer ersten App',
@@ -347,28 +348,41 @@ export const docsTopics: StarlightSidebarTopicsUserConfig = {
             uk: 'Розгорніть свій перший додаток',
             'zh-CN': '部署您的第一个应用',
           },
-          slug: 'get-started/deploy-first-app',
-          badge: {
-            text: 'Tutorial',
-            variant: 'success',
-            translations: {
-              da: 'Vejledning',
-              de: 'Anleitung',
-              en: 'Tutorial',
-              es: 'Tutorial',
-              fr: 'Tutoriel',
-              hi: 'ट्यूटोरियल',
-              id: 'Tutorial',
-              it: 'Tutorial',
-              ja: 'チュートリアル',
-              ko: '튜토리얼',
-              'pt-BR': 'Tutorial',
-              'pt-PT': 'Tutorial',
-              ru: 'Учебник',
-              tr: 'Eğitim',
-              uk: 'Підручник',
+          items: [
+            {
+              label: 'Overview',
+              slug: 'get-started/deploy-first-app',
+              badge: {
+                text: 'Tutorial',
+                variant: 'success',
+                translations: {
+                  da: 'Vejledning',
+                  de: 'Anleitung',
+                  en: 'Tutorial',
+                  es: 'Tutorial',
+                  fr: 'Tutoriel',
+                  hi: 'ट्यूटोरियल',
+                  id: 'Tutorial',
+                  it: 'Tutorial',
+                  ja: 'チュートリアル',
+                  ko: '튜토리얼',
+                  'pt-BR': 'Tutorial',
+                  'pt-PT': 'Tutorial',
+                  ru: 'Учебник',
+                  tr: 'Eğitim',
+                  uk: 'Підручник',
+                },
+              },
             },
-          },
+            {
+              label: 'C# AppHost',
+              slug: 'get-started/deploy-first-app-csharp',
+            },
+            {
+              label: 'TypeScript AppHost',
+              slug: 'get-started/deploy-first-app-typescript',
+            },
+          ],
         },
         {
           label: 'Aspireify an existing app',

src/frontend/src/content/docs/dashboard/standalone-for-python.mdx

@@ -246,4 +246,4 @@ You have successfully used the Aspire dashboard with a Python application. To le
 
 - [Aspire dashboard overview](/dashboard/overview/) - Learn about all dashboard features
 - [Build your first Aspire app](/get-started/first-app-csharp-apphost/?lang=python) - Create a full-stack Python application with Aspire orchestration
-- [Deploy your first Aspire app](/get-started/deploy-first-app/?lang=python) - Deploy your Python application to Azure
+- [Deploy your first Aspire app](/get-started/deploy-first-app-csharp/?lang=python) - Deploy your Python application to Azure

src/frontend/src/content/docs/get-started/add-aspire-existing-app-csharp-apphost.mdx

@@ -929,7 +929,7 @@ builder.Build().Run();
 - **Language-agnostic** — Works with C#, Python, JavaScript, many more, and containerized services.
 
 <Aside type="note">
-Aspire can even generate Docker Compose files for you! When you deploy with `aspire deploy`, you can target Docker Compose as a deployment option. See [Deploy your first Aspire app](/get-started/deploy-first-app/) for more details.
+Aspire can even generate Docker Compose files for you! When you deploy with `aspire deploy`, you can target Docker Compose as a deployment option. See [Deploy your first Aspire app](/get-started/deploy-first-app-csharp/) for more details.
 </Aside>
 
 ## Next steps
@@ -947,7 +947,7 @@ Congratulations! You've successfully added Aspire to your existing application.
   <Pivot id="javascript">
   - See [Standalone dashboard for Node.js](/dashboard/standalone-for-nodejs/)
   </Pivot>
-- **Deploy your app** — Follow the [Deploy your first app](/get-started/deploy-first-app/) tutorial to deploy your Aspire application
+- **Deploy your app** — Follow the [Deploy your first app](/get-started/deploy-first-app-csharp/) tutorial to deploy your Aspire application
 - **Use the VS Code extension** — Run, debug, and manage integrations from within VS Code with the [Aspire extension](/get-started/aspire-vscode-extension/)
 - **Explore the dashboard** — Learn more about the [Aspire dashboard](/dashboard/overview/) and its features
 - **Learn about multi-language features**:

src/frontend/src/content/docs/get-started/add-aspire-existing-app-typescript-apphost.mdx

@@ -564,7 +564,7 @@ The orchestration pattern stays the same: model the shared dependencies once, th
 - **Integration libraries** — Pre-built support for databases, caches, message queues with best practices.
 
 <Aside type="note">
-Aspire can also target Docker Compose during deployment. See [Deploy your first Aspire app](/get-started/deploy-first-app/) for more details.
+Aspire can also target Docker Compose during deployment. See [Deploy your first Aspire app](/get-started/deploy-first-app-typescript/) for more details.
 </Aside>
 
 ## Next steps
@@ -578,7 +578,7 @@ Congratulations! You've successfully added Aspire to your existing application.
     - See [Standalone dashboard for Node.js](/dashboard/standalone-for-nodejs/)
 
 
-- **Deploy your app** — Follow the [Deploy your first app](/get-started/deploy-first-app/) tutorial to deploy your Aspire application
+- **Deploy your app** — Follow the [Deploy your first app](/get-started/deploy-first-app-typescript/) tutorial to deploy your Aspire application
 - **Use the VS Code extension** — Run, debug, and manage integrations from within VS Code with the [Aspire extension](/get-started/aspire-vscode-extension/)
 - **Explore the dashboard** — Learn more about the [Aspire dashboard](/dashboard/overview/) and its features
 - **Learn about JavaScript support** — See [JavaScript support in Aspire](/whats-new/aspire-13/#javascript-as-a-first-class-citizen)