Update README.md

Fix 404 in README

Author: cahofmeyr

README.md

@@ -4,15 +4,15 @@ Monorepo for all things React Native and PowerSync.
 
 ## Monorepo Structure
 
-- [apps/supabase-todolist](./apps/supabase-todolist/README.md)
-    * An Expo React native app using Supabase.
-
 - [packages/powersync-sdk-common](./packages/powersync-sdk-common/README.md)
-    * A Typescript implementation of a PowerSync database connector and streaming sync bucket implementation.
+    * A TypeScript implementation of a PowerSync database connector and streaming sync bucket implementation.
 
 - [packages/powersync-sdk-react-native](./packages/powersync-sdk-react-native/README.md)
     * An extension of `packages/powersync-sdk-common` which provides React Native specific implementations of abstracted features.
 
+- [apps/supabase-todolist](https://github.com/powersync-ja/powersync-supabase-react-native-todolist-demo)
+    * An Expo React Native demo app using Supabase.
+
 # Development
 
 ## Git Submodules