A rough generation of 3 invasions that change at daily reset, so missing the planet-based invasion 'chains'.
Battle pay is fully working tho, just a few points of uncertainty there due to missing research and logs.
Death marks are also roughly working.
Re #1097
Reviewed-on: #2458
Co-authored-by: Sainan <63328889+Sainan@users.noreply.github.com>
Co-committed-by: Sainan <63328889+Sainan@users.noreply.github.com>