Savegames: map all fields

[maximilien-noal]

Current effort is at:
https://github.com/maximilien-noal/OpenRakis/tree/master/tools/cd/DuneEdit2

Original save game editor code is at:
https://github.com/maximilien-noal/OpenRakis/tree/master/tools/cd/DuneEdit

What is already mapped:
Spice
Charisma
Contact Distance
Sietchs
Troops
Date & Time Value used in the description of savegames in the load/save screen menu
Current Date & Time

There's a lot of resources about it on the DUNE2K forum:
https://forum.dune2k.com/topic/20497-dune-cheats/
https://forum.dune2k.com/topic/28488-advanced-questions-on-saved-game-hex-editing/