Updated System Guide to version .51

I've just updated the Star System guide to version .51! The changelog is below:

Free Release .51 - 3.7.2024

• Added CORE Industries Ship Upgrades
  • Expanded Cargo Space
• Added Travene Locations
  • Travene Gaming Clubs
• Added 1 Central Space News Entry

More details around the game's future can be found at this blog post here: https://paperdicegames.com/2024/03/07/what-is-star-solo/