Mention redesign in contributing

CONTRIBUTING.md

@@ -30,6 +30,10 @@ To rebuild these files, run `dart run build_runner build --delete-conflicting-ou
 
 As said earlier, Finamp uses Hive for all data storage needs. If you're doing work that involves data storage, I recommend you read [the Hive docs](https://docs.hivedb.dev/#/). Please ensure that your changes work when upgrading Finamp from the current release to your changes, as not handling upgrades will cause the app to crash.
 
+## The Redesign
+
+The biggest main piece of work being done on Finamp at the moment is the redesign. The relevant issue can be found [here](https://github.com/jmshrv/finamp/issues/220). The `redesign` branch has diverged a lot from `main`, but I try to keep it updated. If you're struggling to decide what to work on, the redesign is a good place to look :)
+
 ## Translating
 
 Finamp uses Weblate to manage translations: **https://hosted.weblate.org/engage/finamp/**