added link to backend and ai usage in readme

README.md

@@ -1,5 +1,7 @@
 # Frangpiane client
 
+## Development
+
 `yarn`
 
 `yarn tauri dev`
@@ -7,3 +9,11 @@
 `yarn tauri build`
 
 `yarn tauri android build --apk true`
+
+## Backend
+
+The backend is currently at <https://git.alatreon.org/strawberries/frangipane-backend>
+
+## AI usage
+
+LLMs were used to help write some of the typescript. No agent has seen this repository.