docs: added links to previous attempts, wrapped original readme in <d…

…etails> tag

README.md

@@ -10,9 +10,14 @@ It uses Vue 3, Firebase (for auth/storage), and Bootstrap.
 
 The goal was to make a leaderboard app that complements the local-first nature of ActivityWatch with basic social features like public leaderboards or sharing specific screentime data privately with a group.
 
+Previous experiments/attempts were made in:
+ - [aw-leaderboard-rust](https://github.com/activitywatch/aw-leaderboard-rust).
+ - [aw-supabase](https://github.com/ActivityWatch/aw-supabase)
+
 ---
 
-The below was automatically generated on repo initialization.
+<details>
+<summary>Click to expand the initial README</summary>
 
 ## Recommended IDE Setup
 
@@ -74,3 +79,5 @@ npm run test:e2e
 ```sh
 npm run lint
 ```
+
+</details>