Added S.O.G. Prairie Fire support

https://forums.bohemia.net/forums/topic/219014-discord-rich-presence-for-arma-3/?do=findComment&comment=3434089

Added beta dlls for battleye whitelisting. Error logs stating the extension failed to load can be ignored.

Updated license redistribution terms and conditions of use

Added support for mod-based rich presence settings (used across the entire game, not just during missions)
Added user-friendly text when in the main menu and editor
Modified reinitialization to provide smoother transition between main menu/editor/mission when using the same app id

Added contact artwork image key

Modify classnames and prefix path to be uniform with my other mods

Added support for endTimestamp
Updated startTimestamp to allow developer-defined start times

Developer information is available here:
https://gist.github.com/ConnorAU/b44448714e7ac46715d6959be8dd4240

Updated license terms for use on monetized servers.
Check "@Discord Rich Presence\licenses\DiscordRichPresence.txt" for details.

Fix bad value type when updating party size and party max values