Phase's Discord Rich Presence

Mostly under the hood changes, but still an update!

• Recoded Multiplayer Logic when using simple mode/not using advanced mode to make it easier to read and to fix some bugs related to multiplayer (#28)
• Added three new image keys to advanced mode (coppergolem1, coppergolem2, coppergolem3)

What's Changed

• v2.3 update for 1.21.6-1.21.8 by @ThePhaseCat in https://github.com/ThePhaseCat/phases-discord-rich-presence/pull/29

Full Changelog: https://github.com/ThePhaseCat/phases-discord-rich-presence/compare/v2.2.2...v2.3.0