v1.6.1

Some new features discussed on Discord

• Help overlay: Press ? on any screen to see context-aware controls and tips
• Network asteroids: Asteroids discovered by other players now appear in the galaxy tab
• Space cove redesign: New panel with separate "own" and "all coves" views

Fixes & Improvements

• Gameplay corrections and balance tweaks
• Abandoned asteroids are now dropped during world serialization
• Fixed panic when unwrapping missing IDs in core/world.rs (#28, thanks @alessandrorosato!)
• Bumped dependencies