Zeta 6 Survivors Release 0.3.4

This release is all about the macOS build. They're fully notarised, but require a recent Mac to run on.

• ✅ Hover and tooltips should be a lot more intuitive now
• ✅ You can now rename your space ships
• 🐞 Fix a bug in the start screen where it could duplicate screen elements leading to a potential crash