Change package description in README

Author: Lamparter

src/Files.App.Controls/README.md

@@ -1,6 +1,8 @@
-# 📁 Files UI Controls
+> These controls are provided "as is," with no guaranteed support, but we hope they prove useful to the developer community.
+ 
+# 📁 Files UI Controls
 
-##### Stunningly designed UI controls to enhance the experience of organizing files and folders.
+##### Elevate your WinUI applications with our collection of custom-built controls, crafted specifically to address our needs in Files.
 
 ---