v1.23.0 draft

[GeckoEidechse]

Features:
Plugin interfaces (plugins v4) (Launcher#615)
Update DiscordRPC to new plugin system (DiscordRPC#17)

Changes:
Disable MAD by default (Mods#787)
ScopeGuard improvements (Launcher#651)

Fixes:
Remove unused variable in mod concommands (Launcher#652)
Scale pilot kill core gain properly for mixed modes (Mods#702)

Contributors:
@ASpoonPlaysGames @catornot @GeckoEidechse @uniboi