7/28 Update

First-time player announcements
- Fireworks/something in lobby
- Broadcast message
Longstanding bugfix: Disable "$PLAYER has joined the game" messages in all servers, since GlobalBell does that already.
Spawn-on-join in creative server
- Future work: create dedicated creative lobby with sandbox instructions, portal to ancient caminus world
Add a delay to donor fireworks, so players who donate get to see them when they join and the world is loaded
Fix/remove cloud emoji in discordsrv config
Update menu items in lobby
- /spawn
- WorldSystem commands
New graves plugin: AngelChests
- Update menu items for new /ac commands
Fix player prefix inconsistencies in chat formatting
Update JumpPads in lobby
Add cosmetics to creative and villager-defense servers
Switch GadgetsMenu to use SQL instead of permissions
Update Luckperms meta-value-selection field to fix chat hovertext pulling from the wrong group meta value https://luckperms.net/wiki/Configuration#meta-value-selection
- Also write hovertext for the rest of the roles
Actually implement telegraf charts for the player stats
Hide adventure server from tablist
Draw up icons for lobby, creative, malloc servers in tablist