Create folders for your pinned apps in Spring v0.11

There are lots of apps, and now you can organize them with folders. And for new users the default pins are nicely grouped now. I hope this makes it easier to showcase the diversity of Nostr apps.

https://void.cat/d/FpyRTrL6UwUD1ySMYJYmBr.webp
https://void.cat/d/JSa3YnJh5xykzPaFdBXzR4.webp

Play Store: https://play.google.com/store/apps/details?id=com.nostr.universe
APK: https://github.com/nostrband/nostr-universe/releases/download/v0.11.0/spring-nostr-browser-v0.11.0.apk