Preptember 2025 week 3: Color schemes and Copilot improvements in GitFichas

Weekend 3 of preptember is here and this one was a bit different from the previous weekends… This weekend was packed with preparation for Oktane where I’ll be presenting a workshop, so my time was more limited than usual. But I still managed to close an issue that was on the list. 🎉🎉 TLDR: One PR implementing 6 color schemes so cards can look a little bit different from each other, plus some…