[18RoyalGorge] fix gold miner paying for CF&I, add kickstarter and publisher, move to beta

[michaeljb]

Fixes #11355

Before clicking "Create"

• [x] Branch is derived from the latest master
• [x] Add the pins or archive_alpha_games label if this change will break existing games
• [x] Code passes linter with docker compose exec rack rubocop -a
• [x] Tests pass cleanly with docker compose exec rack rake