Update readme with Hotwire Native notice

README.md

@@ -1,3 +1,8 @@
+> [!IMPORTANT]
+> [Hotwire Native](https://native.hotwired.dev) is the new consolidation of the Turbo Native and Strada libraries into a single framework for iOS and Android. For new development, start with the new Hotwire Native libraries, which is built on the Turbo Native foundation and offers many new features. For existing Turbo Native apps, please transition to Hotwire Native as soon as possible.
+>
+> No new updates will be made to this site and it will be deprecated in the coming months.
+
 # The Strada website
 
 This repository backs the website living at https://strada.hotwired.dev.