add hopper (#8912)

- Adds an overlay that tracks your remaining world hops (~390-400) and their regeneration (~93 per hour).
-  Shows hops left, missing to full, and time until full.
- Color-coded bar and optional icon.
- Configurable warnings and desktop notifications when low.
- Persists across sessions and can reset manually or on login.

plugins/hopper

@@ -0,0 +1,2 @@
+repository=https://github.com/ChunkyAtlas/hopper.git
+commit=af866cdce7b2a3595661fea47c6727cf51854a60