Add package README

Author: Lamparter

src/Files.App.Controls/Files.App.Controls.csproj

@@ -1,4 +1,4 @@
-<!--  Copyright (c) 2024 Files Community. Licensed under the MIT License. See the LICENSE.  -->
+<!--  Copyright (c) 2024 Files Community. Licensed under the MIT License. See the LICENSE.  -->
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
@@ -53,4 +53,11 @@
         <ProjectReference Include="..\Files.Core.SourceGenerator\Files.Core.SourceGenerator.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="false" />
     </ItemGroup>
 
+    <ItemGroup>
+      <None Update="README.md">
+        <Pack>True</Pack>
+        <PackagePath>\</PackagePath>
+      </None>
+    </ItemGroup>
+
 </Project>

src/Files.App.Controls/README.md

@@ -0,0 +1,11 @@
+# 📁 Files UI Controls
+
+##### Stunningly designed UI controls to enhance the experience of organizing files and folders.
+
+---
+
+This package contains various controls for the [Files app](https://files.community), including `ThemedIcon`, `Toolbar` and various storage controls.
+It is available [on NuGet](https://www.nuget.org/packages/Files.App.Controls), however is unlisted and can only be installed by manually typing the package name and version number into the MSBuild project file.
+
+Please do not open issues on the Files repository about this package, as it is not officially supported by the Files team and is kept online for reference.
+If you have questions about the design or implementation of these controls, please ask [on Discord](https://discord.gg/files).