added sample form

src/modules/cmdpal/extensions/SamplePagesExtension/Forms/SampleForm.cs

@@ -0,0 +1,63 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.IO;
+using System.Text.Json.Nodes;
+using Microsoft.CmdPal.Extensions;
+using Microsoft.CmdPal.Extensions.Helpers;
+
+namespace SamplePagesExtension;
+
+internal sealed class SampleForm : Form
+{
+    public override string TemplateJson()
+    {
+        var json = $$"""
+{
+  "$schema": "http://adaptivecards.io/schemas/adaptive-card.json",
+  "type": "AdaptiveCard",
+  "version": "1.5",
+  "body": [
+    {
+      "type": "Input.Text",
+      "style": "text",
+      "id": "text1",
+      "label": "Input.Text",
+      "isRequired": true,
+      "errorMessage": "Text is required"
+    }
+  ],
+  "actions": [
+    {
+      "type": "Action.Submit",
+      "title": "Action.Submit",
+      "data": {
+        "text1": "text1",
+      }
+    }
+  ]
+}
+""";
+        return json;
+    }
+
+    public override string DataJson() => throw new NotImplementedException();
+
+    public override string StateJson() => throw new NotImplementedException();
+
+    public override ActionResult SubmitForm(string payload)
+    {
+        var formInput = JsonNode.Parse(payload);
+        if (formInput == null)
+        {
+            return ActionResult.GoHome();
+        }
+
+        // get the name and url out of the values
+
+        // var testInput = formInput["test1"] ?? string.Empty;
+        return ActionResult.GoHome();
+    }
+}

src/modules/cmdpal/extensions/SamplePagesExtension/Pages/SampleFormPage.cs

@@ -0,0 +1,21 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using Microsoft.CmdPal.Extensions;
+using Microsoft.CmdPal.Extensions.Helpers;
+
+namespace SamplePagesExtension;
+
+internal sealed class SampleFormPage : FormPage
+{
+    private readonly SampleForm sampleForm = new();
+
+    public override IForm[] Forms() => [sampleForm];
+
+    public SampleFormPage()
+    {
+        Name = "Sample Form";
+        Icon = new(string.Empty);
+    }
+}

src/modules/cmdpal/extensions/SamplePagesExtension/SamplePagesCommandsProvider.cs

@@ -26,6 +26,11 @@ public class SamplePagesCommandsProvider : ICommandProvider
            Title = "List Page Sample Command",
            Subtitle = "SamplePages Extension",
        },
+       new ListItem(new SampleListPage())
+       {
+           Title = "Form Page Sample Command",
+           Subtitle = "SamplePages Extension",
+       }
     ];
 
 #pragma warning disable CA1816 // Dispose methods should call SuppressFinalize