TomsServerUtils

Changes:

• Separate chat and event messages into different webhooks (thanks @Setadokalo)
• Dependencies are now finally listed in the fabric.mod.json (again, thanks @Setadokalo)
• Update Fabric Language Kotlin from 1.4.30+build.2 to 1.5.0+kotlin.1.4.31
• Update Fabric API from 0.26.3+1.16 to 0.32.0+1.16
• Fix a potential race condition when stopping the server
• Send broadcast messages on the server thread rather than on the Discord gateway thread